英语词源字典 - 在线词源网站

unholy (adj.)[unholy 词源字典]: Old English unhalig, "impious, profane, wicked," from un- (1) "not" + halig (see holy). Similar formation in Middle Dutch onheilich, Old Norse uheilagr, Danish unhellig, Swedish ohelig. In reference to actions, it is attested from late 14c. Colloquial sense of "awful, dreadful" is recorded from 1842.[unholy etymology, unholy origin, 英语词源]
unhonored (adj.): 1510s, also unhonoured, from un- (1) "not" + past participle of honor (v.).
unhorse (v.): late 14c., "to throw (someone) from his horse," from un- (2) "opposite of" + horse (v.). Similar formation in Middle Dutch ontorsen.
unhuman (adj.): 1540s, "inhumane, cruel," from un- (1) "not" + human (adj.). Meaning "destitute of human qualities; superhuman" is from 1782.
unhygienic (adj.): 1883, from un- (1) "not" + hygenic.
uni-: word-forming element meaning "having one only," from Latin uni-, comb. form of unus (see one).
Uniate: "pertaining to an Eastern Christian church that acknowledges the supremacy of the Pope," 1833, from Russian uniyat, from unia "unity, union," from Latin unus "one" (see one).
unicameral (adj.): 1853, from uni- "one" + Late Latin camera "chamber" (see camera) + -al (1).
UNICEF: by 1948, acronym from United Nations International Children's Emergency Fund, which was created in 1946 (the name was changed 1953 to United Nations Children's Fund but the acronym endured).
unicellular (adj.): 1858; see uni- + cellular.
unicorn (n.): early 13c., from Old French unicorne, from Late Latin unicornus (Vulgate), from noun use of Latin unicornis (adj.) "having one horn," from uni- "one" (see uni-) + cornus "horn," from PIE *ker- (1) "horn; head, uppermost part of the body" (see horn (n.)).

The Late Latin word translates Greek monoceros, itself rendering Hebrew re'em (Deut. xxxiii.17 and elsewhere), which probably was a kind of wild ox. According to Pliny, a creature with a horse's body, deer's head, elephant's feet, lion's tail, and one black horn two cubits long projecting from its forehead. Compare German Einhorn, Welsh ungorn, Breton uncorn, Old Church Slavonic ino-rogu.
unicycle (n.): 1869, American English, from Latin uni- "one" (see uni-) + -cycle, from bicycle (from Greek kyklos "circle, wheel").
unidentifiable (adj.): 1859, from un- + identifiable.
unidentified (adj.): 1860, from un- (1) "not" + past participle of identify (v.).
unidirectional (adj.): 1883, from uni- + directional (see direction).
unification (n.): 1849, noun of action from unify (v.). Unification Church was founded 1954.
uniform (adj.): 1530s, "of one form," from Middle French uniforme (14c.), from Latin uniformis "having only one form or shape," from uni- "one" (see uni-) + forma "form" (see form (n.)). Related: Uniformly.
uniform (n.): "distinctive clothes worn by one group," 1748, from French uniforme, from the adjective (see uniform (adj.)).
uniform (v.): 1680s, "to make alike," from uniform (adj.). Meaning "to dress in a uniform" is from 1861. Related: Uniformed.
uniformitarian (n.): 1840 in geology, from uniformity + -arian.