Online Etymology Dictionary

a la carte: 1826, from French à la carte, literally "by the card" (see card (n.1)); in other words, "ordered by separate items." Distinguished from a table d'hôte, meal served at a fixed, inclusive price.
innumerable (adj.): mid-14c., from Latin innumerabilis "countless, immeasurable," from in- "not" (see in- (1)) + numerabilis "able to be numbered," from numerare "to count, number," from numerus "a number" (see number (n.)). Related: Innumerability.
inscrutable (adj.): "that cannot be discovered by searching, mysterious," c. 1500, from Late Latin inscrutabilis, from in- "not, opposite of" (see in- (1)) + *scrutabilis, from scrutari "examine, ransack" (see scrutiny). Related: Inscrutably; inscrutableness.
inseparable (adj.): mid-14c., from Latin inseparabilis "that cannot be separated," from in- "not, opposite of" (see in- (1)) + separabilis, from separare "to pull apart" (see separate (v.)). Related: Inseparably.
insincere (adj.): 1620s (implied in insincerely), from Latin insincerus "spoiled, corrupted; not genuine, not pure, adulterated," from in- "not" (see in- (1)) + sincerus "genuine, candid" (see sincere). Related: Insincerely.
insolvent (adj.): 1590s, "unable to pay one's debts," from in- (1) "not" + Latin solventem "paying" (see solvent). Originally of one who was not a trader; only traders could become bankrupt.
insomnia (n.): "chronic inability to sleep," 1620s, insomnie, from Latin insomnia "want of sleep, sleeplessness," from insomnis "sleepless," from in- "not" (see in- (1)) + somnus "sleep" (see Somnus). The re-Latinized form is from 1758.
insouciance (n.): 1820, from French insouciance "heedless indifference or unconcern," from insouciant "carelessness, thoughtlessness, heedlessness," from in- "not" (see in- (1)) + souciant "caring," present participle of soucier "to care," from Latin sollicitare "to agitate" (see solicit).
intact (adj.): mid-15c., from Latin intactus "untouched, uninjured; undefiled, chaste; unsubdued," from in- "not" (see in- (1)) + tactus, past participle of tangere "to touch" (see tangent (adj.)).
gobble (v.1): "eat greedily, swallow hastily," c. 1600, probably partly echoic, partly frequentative and based on gob (n.1), via gobben "drink something greedily" (early 15c.). Related: Gobbled; gobbling.
inhospitable (adj.): 1560s, from Middle French inhospitable (15c.), from Medieval Latin inhospitabilis (equivalent of Latin inhospitalis), from in- "not" (see in- (1)) + Medieval Latin hospitabilis (see hospitable).
inhuman (adj.): mid-15c., "cruel," from Latin inhumanus "inhuman, savage, cruel, rude, barbarous," from in- "not, opposite of" (see in- (1)) + humanus "human" (see human). Spelled inhumane till 18c. (see humane).
interminable (adj.): late 14c., from Old French interminable (14c.) or directly from Late Latin interminabilis "endless," from in- "not" (see in- (1)) + terminabilis, from terminare "to limit, set bounds, end" (see terminus (adj.)). Related: Interminably.
entomb (v.): 1570s, from Old French entomber "place in a tomb," from en- "in" (see en- (1)) + tombe "tomb" (see tomb). Related: Entombed; entombing. The earlier verb was simply tomb (c. 1300).
envisage (v.): 1778, "look in the face of," from French envisager "look in the face of," from en- "in" (see en- (1)) + visage "face" (see visage). Hence "to apprehend mentally, contemplate" (1837). Related: Envisaged; envisaging; envisagement.
lights (n.): "the lungs," c. 1200, literally "the light (in weight) organs," from light (adj.1); also see lung. Obsolete now except in phrases like to knock (someone's) lights out.
mashie (n.): "five iron," 1881, from Scottish, probably from French massue "club," from Vulgar Latin *mattiuca, from Latin mateola "a tool for digging" (see mace (n.1)). Related: Mashie-niblick (1903).
noxious (adj.): c. 1500, from Latin noxius "hurtful, injurious," from noxa "injury, hurt, damage entailing liability" (related to nocere "to hurt," and to nex "slaughter"), from PIE *nek-ro-, causative form of root *nek- (1) "death" (see necro-).
matrimony (n.): c. 1300, from Old French matremoine "matrimony, marriage" and directly from Latin matrimonium "wedlock, marriage," from matrem (nominative mater) "mother" (see mother (n.1)) + -monium, suffix signifying "action, state, condition."
noisome (adj.): late 14c., "harmful, noxious," from noye "harm, misfortune," shortened form of anoi "annoyance" (from Old French anoier, see annoy) + -some (1). Meaning "bad-smelling" first recorded 1570s. Related: Noisomeness.
outright (adv.): c. 1300, "completely, entirely; openly, directly; at once, without hesitation," from out (adv.) + right (adj.1)). Meaning "all at once" is attested from c. 1600. As an adjective, "direct, downright," from 1530s.
billet-doux (n.): also billet doux, 1670s, "love letter," French, literally "sweet note," from billet "document, note" (14c., diminutive of bille; see bill (n.1)) + doux "sweet," from Latin dulcis (see dulcet).
bit (n.2): computerese word, 1948 abbreviation coined by U.S. computer pioneer John W. Tukey (1915-2000) of binary digit, probably chosen for its identity with bit (n.1).
erysipelas (n.): late 14c., skin disease also known as St. Anthony's Fire or ignis sacer, from Greek erysipelas, perhaps from erythros "red" (see red (1)) + pella "skin" (see film (n.)). Related: Erysipelatous.
chuck (v.1): "to throw," 1590s, variant of chock "give a blow under the chin" (1580s), possibly from French choquer "to shock, strike against," imitative (see shock (n.1)). Related: Chucked; chucking.
chemical (adj.): 1570s, "relating to chemistry," from chemic "of alchemy" (a worn-down derivative of Medieval Latin alchimicus; see alchemy) + -al (1). In early use also of alchemy. Related: Chemically.
hip (adj.): "informed," 1904, apparently originally in African-American vernacular, probably a variant of hep (1), with which it is identical in sense, though it is recorded four years earlier.
Eustace: masc. proper name, from Old French Eustace (Modern French Eustache), from Latin Eustachius, probably from Greek eustakhos "fruitful," from eu "well, good" (see eu-) + stakhys "ear (of grain);" see spike (n.1).
granular (adj.): 1790, from Late Latin granulum "granule, a little grain," diminutive of Latin granum "grain, seed," from PIE root *gre-no- "grain" (see corn (n.1)) + -ar. Replaced granulous (late 14c.). Related: Granularity.
invariable (adj.): early 15c., from Old French invariable (14c.) and directly from Medieval Latin invariabilis, from in- "not, opposite of" (see in- (1)) + variabilis "changeable" (see variable). Related: Invariably.
invertebrate (adj.): "having naturally no backbone," 1819, from Latin in- "not" (see in- (1)) + vertebratus (Pliny), from vertebra "joint or articulation of the body, joint of the spine" (see vertebra). As a noun, "an invertebrate animal," 1826.
involuntary (adj.): mid-15c., from Late Latin involuntarius "involuntary, unwilling," from in- "not, opposite of" (see in- (1)) + Latin voluntarius "willing, voluntarily" (see voluntary). Related: Involuntarily.
irrefutable (adj.): "incapable of being disproved," 1610s, from Late Latin irrefutabilis "irrefutable," from assimilated form of in- "not, opposite of" (see in- (1)) + refutabilis "refutable," from refutare (see refute). Related: Irrefutably; irrefutability.
irresponsible (adj.): 1640s, "not legally answerable for conduct or actions," from assimilated form of in- (1) "not, opposite of" + responsible. Meaning "not acting with a sense of responsibility" is from 1680s. Related: Irresponsibly.
irrevocable (adj.): also irrevokable, late 14c., from Latin irrevocabilis "that cannot be recalled, unalterable," from assimilated form of in- "not, opposite of" (see in- (1)) + revocabilis (see revoke). Related: Irrevocably.
tipsy (adj.): 1570s, from tip (v.1); compare drowsy, flimsy, tricksy. Later associated with tipple. Tipsy-cake (1806) was stale cake saturated with wine or liquor.
bluster (v.): late 14c., from a Low German source, such as Middle Low German blüstren "to blow violently," East Frisian blüstern "to bluster" (see blow (v.1)). Related: Blustered; blustering.
bobble (v.): 1812, frequentative of bob (v.1). The notion is "to move or handle something with continual bobbing." Related: Bobbled; bobbling. Bobble-head as a type of doll is from 1968.
anomaly (n.): 1570s, from Latin anomalia, from Greek anomalia "inequality," noun of quality from anomalos "uneven, irregular," from an-, privative prefix, "not" (see an- (1)) + homalos "even," from homos "same" (see same).
anonymous (adj.): c. 1600, from Late Latin anonymus, from Greek anonymos "without a name," from an- "without" (see an- (1)) + onyma, Æolic dialectal form of onoma "name" (see name (n.)).
blackball (v.): also black-ball, "to exclude from a club by adverse votes," 1770, from black (adj.) + ball (n.1). Black balls of wood or ivory dropped into an urn during secret ballots.
Mennonite (n.): member of an Anabaptist sect, 1560s, from name of Menno Simons (1492-1559), founder of the sect in Friesland, + -ite (1). As an adjective by 1727. Alternative form Mennonist (n.) attested from 1640s.
pennon (n.): long, narrow flag (often triangular or swallow-tailed), late 14c., from Old French penon "feathers of an arrow; streamer, flag, banner," from penne "feather," from Latin penna "feather" (see pen (n.1)).
pericardium (n.): early 15c., Latinized form of Greek perikardion "(membrane) around the heart" (Galen), from peri (prep.) "around, about" (see peri-) + kardia "heart," from PIE root *kerd- (1) "heart" (see heart (n.)). Related: Pericardiac.
clone (n.): 1903, in botany, from Greek klon "a twig, spray," related to klados "sprout, young branch, offshoot of a plant," possibly from PIE root *kel- (1) "to strike, cut" (see holt). Figurative use by 1978.
circumspect (adj.): early 15c., from Latin circumspectus "deliberate, guarded, well-considered," past participle of circumspicere "look around, take heed," from circum- "around" (see circum-) + specere "to look" (see scope (n.1)). Related: Circumspectly; circumspectness.
clastic (adj.): "consisting of broken pieces," 1875, in geology, from Latinized form of Greek klastos "broken in pieces," from klan, klaein "to break," from PIE *kla-, variant of root *kel- (1) "to strike" (see holt).
hoodwink (v.): 1560s, "to blindfold, blind by covering the eyes," from hood (n.1) + wink (n.); figurative sense of "blind the mind, mislead, deceive by disguise" is c. 1600. Related: Hoodwinked; hoodwinking.
horticulture (n.): 1670s, "cultivation of a garden," coined from Latin hortus "garden" (see yard (n.1)), probably on model of agriculture. Famously punned upon by Dorothy Parker.
hospitality (n.): late 14c., "act of being hospitable," from Old French ospitalité "hospitality; hospital," from Latin hospitalitem (nominative hospitalitas) "friendliness to guests," from hospes (genitive hospitis) "guest; host" (see host (n.1)).