Online Etymology Dictionary

betoken (v.): late 12c., from be- + Old English tacnian "to signify," from tacn "sign" (see token). Related: Betokened; betokening.
bicarbonate (n.): 1814, bi-carbonate of potash, apparently coined by English chemist William Hyde Wollaston (1766-1828), from bi- + carbonate.
chop suey (n.): 1885, American English, from Chinese (Cantonese dialect) tsap sui "odds and ends, mixed bits."
disco (n.): 1964, American English shortening of discotheque; sense extended by 1972 to the kind of music played there.
discombobulate (v.): 1834, American English, fanciful coinage of a type popular then (originally discombobricate). Related: discombobulating; discombobulation.
ditch (n.): Old English dic "ditch, dike," a variant of dike (q.v.). Last ditch (1715) refers to the last line of military defenses.
chipper (adj.): 1834, "lively, nimble," American English, from northern British dialectal kipper "nimble, frisky," the origin of which is obscure.
disgruntle (v.): 1680s, from dis- "entirely, very" + obsolete gruntle "to grumble" (Middle English gruntelen, early 15c.), frequentative of grunt (v.).
disinfect (v.): 1590s, perhaps from French désinfecter (16c.), or formed in English from dis- + infect. Related: Disinfected; disinfecting.
foot-hill (n.): also foot-hill, "a hill that leads up to a mountain," 1850, American English, from foot (n.) + hill (n.).
inward (adj.): Old English inweard "inmost; sincere; internal, intrinsic; deep," from Proto-Germanic *inwarth "inward" (source also of Old Norse innanverðr, Old High German inwart, Middle Dutch inwaert), from root of Old English inne "in" (see in (adv.)) + -weard (see -ward). As an adverb, Old English inneweard. As a noun in late Old English, "entrails, intestines."
ho-de-ho (interj.): 1932, defined in the "Oxford English Dictionary" as "An exclamation, used as the appropriate response to HI-DE-HI."
Hodgkin's disease: 1877, named for English pathologist Dr. Thomas Hodgkin (1798-1866) who first described it in 1832.
hogan (n.): Navaho Indian dwelling, 1871, American English, from Athapaskan (Navaho) hoghan "dwelling, house."
locomotion (n.): 1640s, formed in English from Latin loco "from a place" (ablative of locus "place") + motionem (nominative motio) "motion, a moving."
lollygag (v.): "dawdle, dally," 1862, lallygag, American English, perhaps from dialectal lolly "tongue" + gag "deceive, trick." Related: Lollygagged; lollygagging.
anglicize (v.): 1710, with -ize + Medieval Latin Anglicus "of the English," from Angli "the Angles" (see Angle). Related: Anglicized; anglicizing.
pepperoni (n.): "beef and pork sausage seasoned with pepper," 1919, American English, from Italian peperone "chilli," from pepe (see pepper (n.)).
peroxide (n.): 1804, formed in English from per- "large amount" + oxide. Peroxide blonde is attested from 1918.
Perrier: proprietary name of a natural mineral water from southern France, first attested in English 1904.
frumbierdling (n.): Old English word meaning "a youth;" from fruma "first, beginning" (see foremost) + beard (n.) + -ling.
cluster (n.): Old English clyster "cluster," probably from the same root as clot (n.). Of stars, from 1727. Cluster-bomb attested from 1967.
huckleberry (n.): 1660s, American English, probably an alteration of Middle English hurtilbery "whortleberry" (15c.), from Old English horte "whortleberry." Technically the fruit and plant of Gaylussacia, but also widely colloquially applied to the closely related blueberry (Vaccinium). Slang meaning "person of little consequence" is attested from 1835. Huckle as a dialect word meaning "hip" is from 1520s in English, from Low German.
doldrums (n.): 1811, from dulled, past participle of dullen, from Old English dol "foolish, dull," ending perhaps patterned on tantrum.
Dorchester: Old English Dorcanceaster, earlier Dornwaraceaster, from Latin Durnovaria, from Romano-British *duro- "walled town."
dory (n.1): "small, flat-bottomed boat," 1709, American English, perhaps from a West Indian or Central American Indian language.
grungy (adj.): "sloppy, shabby," 1965, American English slang, perhaps based on, or blended from, grubby and dingy.
rh-: consonantal digraph used in Latin (and thus in English words from Latin) to represent Greek initial aspirated -r-.
toward (prep.): Old English toweard "in the direction of," prepositional use of toweard (adj.) "coming, facing, approaching," from to (see to) + -ward.
humongous (adj.): also humungous, by 1972, American English, apparently a fanciful mash-up of huge and monstrous.
drudge (n.): late 15c., "one employed in mean, servile, or distasteful work," missing in Old English and Middle English, unless it is represented by Middle English druggen "do menial or monotonous work; druggunge, mid-13c., which are perhaps from Old English dreogan "to work, suffer, endure" (see endure). The verb is from 1540s. Related: Drudged; drudging. The surname is from 13c., probably from Old French dragie "a mixture of grains sown together," thus, a grower of this crop.
dunno (v.): colloquial for "(I) don't know," first attested 1842 in American English.
boost (v.): 1815, literal and figurative, American English, of unknown origin. Related: Boosted; boosting. As a noun by 1825.
born: Old English boren, alternative past participle of beran (see bear (v.)). Distinction between born and borne is 17c.
hysterectomy (n.): "surgical excision of the uterus," 1881, coined in English from Greek hystera "womb" (see uterus) + -ectomy.
milch (adj.): "giving milk," from Old English -milce "milking," from Proto-Germanic *melik- "milk" (see milk (n)).
mould: chiefly British English spelling of mold in various senses. Related: Moulded; moulding.
byte (n.): 1956, American English; see bit (n.2). Reputedly coined by Dr. Werner Buchholz at IBM.
breadth (n.): 1520s, alteration of brede "breadth," from Old English brædu "breadth, width, extent," from bræd; probably by analogy of long/length.
brine (n.): Old English bryne "brine," origin unknown; no known cognates beyond Dutch brijn, Flemish brijne.
Buckinghamshire: Old English Buccingahamscir, from Buccingahamme (early 10c.), "River-bend land of the family or followers of a man called Bucca."
art (v.): second person present indicative of be; Old English eart. Also see are (v.).
molten (adj.): late 13c., from archaic past participle of Old English meltian, a class III strong verb (see melt (v.)).
mom (n.): 1867, American English, perhaps a shortening of mommy; also see mamma. Adjectival phrase mom and pop dates from 1951.
momma (n.): 1884, American English variant of mamma (q.v.). As a biker's girlfriend or female passenger, from 1950s.
pinscher (n.): 1926, from German Pinscher, also Pinsch, probably from English pinch, in reference to its "clipped" ears.
twill (n.): "cloth woven in parallel diagonal lines," early 14c., Scottish and northern English variant of Middle English twile, from Old English twili "woven with double thread, twilled," partial loan-translation of Latin bilix "with a double thread" (with Old English twi- substituted for cognate Latin bi-); the second element from Latin licium "thread," which is of uncertain origin.
Muggletonian (n.): 1660s, member of the sect founded by English tailor Lodowicke Muggleton (1609-1698).
pre-law (adj.): "of or pertaining to study in preparation for law school," 1961, American English, from pre- + law (school).
preemie (n.): "baby born prematurely," 1927, premy, American English shortening of premature + -y (2). Spelling with -ie attested from 1949.