英语词源字典 - 在线词源网站

uniformity (n.)[uniformity 词源字典]: early 15c., from Old French uniformite (14c.) or directly from Late Latin uniformitatem (nominative uniformitas) "uniformity," from Latin uniformis (see uniform (adj.)).[uniformity etymology, uniformity origin, 英语词源]
unify (v.): c. 1500, "to make into one," from Middle French unifier (14c.) or directly from Late Latin unificare "make one," from Latin uni- "one" (see uni-) + root of facere "to make" (see factitious). Related: Unified; unifying. Unified (field) theory in physics is recorded from 1935.
unilateral (adj.): 1802, from Modern Latin unilateralis, from unum, neuter of unus "one" (see one) + latus (genitive lateralis) "side" (see oblate (n.)). Jeremy Bentham (1748-1832) may have been the first to use it in the legal sense of "made or entered into by one party." Related: Unilaterally. Unilateral disarmament is recorded from 1929.
It is useless for the sheep to pass resolutions in favor of vegetarianism, while the wolf remains of a different opinion. [William Ralph Inge, "Outspoken Essays," 1919]
unilateralism (n.): 1926, from unilateral + -ism. Earliest usages seem to be in the sense of "advocate of unilateral disarmament." Meaning "pursuit of a foreign policy without allies" is attested by 1964.
unimaginable (adj.): 1610s, from un- (1) "not" + imaginable. Related: Unimaginably.
unimaginative (adj.): 1802, from un- (1) "not" + imaginative.
unimpaired (adj.): 1580s, from un- (1) "not" + past participle of impair (v.). Rare before c. 1760.
unimpeachable (adj.): 1784, from un- (1) "not" + impeachable. Related: Unimpeachably.
unimpeded (adj.): 1760, from un- (1) "not" + past participle of impede (v.).
unimportance (n.): 1751; see unimportant + -ance.
unimportant (adj.): 1750, from un- (1) "not" + important (adj.). Used earlier in a sense of "unassuming, modest" (1727). Related: Unimportantly.
unimposing (adj.): "unimpressive," 1809, from un- (1) "not" + imposing.
unimpressed (adj.): 1861, "not awed," from un- (1) "not" + past participle of impress (v.). Used earlier in a sense of "not subjected to restraint" (1743). Unimpressive is recorded from 1796.
unimproved (adj.): 1660s, "not made better," from un- (1) "not" + past participle of improve (v.). Sense of "not developed or taken advantage of" (of land) is recorded from 1781.
unincorporated (adj.): 1715, from un- (1) "not" + past participle of incorporate (v.).
uninflected (adj.): 1713, from un- (1) "not" + past participle of inflect (v.).
uninfluenced (adj.): 1734, from un- (1) "not" + past participle of influence (v.).
uninformed (adj.): 1590s, from un- (1) "not" + past participle of inform. Originally in reference to some specific matter or subject; general sense of "uneducated, ignorant" is recorded from 1640s.
uninhabitable (adj.): mid-15c., from un- (1) "not" + inhabitable.
uninhabited (adj.): 1570s, from un- (1) "not" + past participle of inhabit (v.).