Online Etymology Dictionary

insurmountable (adj.): 1690s, from in- (1) "not, opposite of" + surmountable. Related: Insurmountably. Brachet calls French insurmontable a "ghastly philological monster."
gory (adj.): "covered with clotted blood," late 15c., from gore (n.1) + -y (2).
enrapt (adj.): c. 1600, "carried away by (prophetic) ecstasy," from en- "make, put in" (see en- (1)) + rapt.
enshrine (v.): in early use also inshrine, 1580s, from en- (1) "make, put in" + shrine (n.). Related: Enshrined; enshrining.
enslave (v.): 1640s, from en- (1) "make, make into" + slave (n.). Related: Enslaved; enslaving.
ensnare (v.): formerly also insnare, 1570s, from en- (1) "make, put in" + snare (n.). Related: Ensnared; ensnaring.
entrust (v.): also intrust, c. 1600, from en- (1) "make, put in" + trust (n.). Related: Entrusted; entrusting.
entwine (v.): also intwine, 1590s, from en- (1) "make, put in" + twine (n.). Related: Entwined; entwining.
enwrap (v.): also inwrap, late 14c., from en- (1) "make, put in" + wrap (v.). Related: Enwrapped; enwrapping.
marmoreal (adj.): "resembling marble," 1798, from Latin marmoreus "of marble," from marmor (see marble) + -al (1).
outdated (adj.): also out-dated, 1610s, "grown obsolete," from out + past participle of date (v.1). Out-of-date is attested from 1610s.
bicameral (adj.): "having two chambers," 1832, from bi- "two" (see bi-) + Late Latin camera "chamber" (see camera) + -al (1).
invulnerable (adj.): 1590s, from Latin invulnerabilis "invulnerable," from in- "not" (see in- (1)) + vulnerabilis (see vulnerable). Related: Invulnerably.
antithetical (adj.): 1580s, from Greek antithetikos "setting in opposition," from antithetos "placed in opposition" (see antithetic) + -al (1). Related: Antithetically.
ringlet (n.): 1550s, from ring (n.1) + diminutive suffix -let. Of hair, since 1660s. Related: Ringleted.
ringworm (n.): name given to certain skin diseases, early 15c., from ring (n.1) + worm (n.).
aplenty (adj.): 1830, originally U.S., from a- (1) + plenty (n.). First attested in writings of J. Fenimore Cooper.
arboreal (adj.): 1660s, from Latin arboreus "pertaining to trees," from arbor "tree," which is of unknown origin, + -al (1).
mid-air (n.): also midair, 1660s, from mid + air (n.1). Lit. "the part of the air between the clouds and the air near the ground."
Hutterite (n.): 1640s in reference to Moravian Anabaptist sect established by Jacob Hutter (d. 1536) + -ite (1).
misbegotten (adj.): "bastard, illegitimate," 1550s, past participle adjective from obsolete misbeget (c. 1300); see mis- (1) + beget.
misbehave (v.): "conduct oneself improperly," late 15c.; see mis- (1) + behave. Related: Misbehaved; misbehaving.
misconceive (v.): late 14c., "to have a wrong notion of;" see mis- (1) + conceive. Related: Misconceived; misconceiving.
misconduct (n.): 1710, "bad management, neglect;" see mis- (1) + conduct (n.). Meaning "wrong conduct" is attested from 1729.
misconstrue (v.): late 14c., "to put a wrong construction on" (words or deeds), from mis- (1) + construe. Related: Misconstrued; misconstruing.
misdial (v.): "to dial a wrong number on a telephone," 1964; see mis- (1) + dial (v.). Related: Misdialed; misdialing.
misdirect (v.): c. 1600, "give wrong directions to;" see mis- (1) + direct (v.). Related: Misdirected; misdirecting.
misdoubt (v.): "to have doubts (of the reality of something)," 1540s; see mis- (1) + doubt (v.). Related: Misdoubted; misdoubting.
misname (v.): c. 1500 "to call (someone) a bad name;" see mis- (1) + name (v.). Related: Misnamed; misnaming.
misprint (v.): late 15c.; from mis- (1) + print (v.). Related: misprinted; misprinting. The noun is first attested 1818.
port (n.3): "bearing, mien," c. 1300, from Old French port, from porter "to carry," from Latin portare (see port (n.1)).
bullfinch (n.): 1560s, from bull (n.1) + finch; supposedly so called for the shape of its head and neck; compare French bouvreuil.
portly (adj.): early 15c., "stately, dignified," from port (n.3) "bearing, carriage" + -ly (1). Meaning "stout" is first recorded 1590s.
Rosa: fem. proper name, from Latin Rosa, literally "rose" (see rose (n.1)).
mode (n.2): "current fashion," 1640s, from French mode "manner, fashion, style" (15c.), from Latin modus "manner" (see mode (n.1)).
misstate (v.): also mis-state, 1640s, from mis- (1) + state (v.). Related: Misstated; misstating.
awash (adj.): 1825, originally nautical, "on the level of, flush with," from a- (1) "on" + wash (n.). Figurative use by 1912.
sonic (adj.): 1923, from Latin sonus "sound" (see sound (n.1)) + -ic. Sonic boom is attested from 1952.
tailspin (n.): "downward spiraling dive of an aircraft," 1916, from tail (n.1) + spin (n.). Figurative sense of "state of loss of control" is from 1928.
tea-rose (n.): 1825, from tea + rose (n.1); so called because it has a scent supposed to resemble that of tea.
smoke (n.2): "cigarette," slang, 1882, from smoke (n.1). Also "opium" (1884). Meaning "a spell of smoking tobacco" is recorded from 1835.
subset (n.): also sub-set, "subordinate set," 1897, originally in mathematics, from sub- + set (n.1).
tostada (n.): 1945, from Mexican Spanish, from past participle of Spanish tostar "to toast" (see toast (v.1)).
Toussaint (n.): French, literally "feast of All Saints" (Nov. 1), from tous, plural of tout "all" + saint "saint."
watermelon (n.): 1610s, from water (n.1) + melon. So called for being full of thin juice. Compare French melon d'eau.
windshield (n.): 1902, from wind (n.1) + shield (n.). U.S. alternative to British windscreen (which is attested from 1905 in this sense).
ultralight (adj.): 1959, from ultra- + light (adj.1). As a noun meaning "ultralight aircraft" it is recorded by 1979.
untoward (adj.): 1520s, "not having inclination" (to or for something), also "difficult to manage, unruly," from un- (1) "not" + toward (adj.).
uncool (adj.): 1953, in hipster slang, from un- (1) "not" + slang sense of cool (adj.).
unwed (adj.): 1510s, from un- (1) "not" + past participle of wed (v.). Unwedded "unmarried; celibate" is from c. 1200.