英语词源字典 - 在线词源网站

one-way (adj.)[one-way 词源字典]: 1906, in reference to travel tickets; 1914 in reference to streets; 1940 in reference to windows, mirrors, etc.; from one + way (n.).[one-way etymology, one-way origin, 英语词源]
Oneida: Iroquois tribe of upper N.Y. state, who later moved in part to Wisconsin, 1666, named for its principal settlement, from Oneida onenyote', literally "erected stone," containing -neny- "stone" and -ot- "to stand."
oneiric (adj.): 1859, from Greek oneiros "a dream" (see oneiro-) + -ic.
oneiro-: before vowels oneir-, word-forming element meaning "dream," from Greek oneiros "a dream," from PIE *oner- "dream."
oneirocritic (n.): "a judge or interpreter of dreams," 1650s from Greek oneirokritikos "pertaining to the interpretation of dreams," from oneirokrites "interpreter of dreams," from oneiros "a dream" (see oneiro-) + krites "discerner, judge" (see critic).
oneirocritical (adj.): 1580s, from oneiro- + critic + -al (1).
oneiromancy (n.): 1650s; see oneiro- + -mancy. Greek had oneiromantis "an interpreter of dreams." Related: oneiromantic.
oneness (n.): 1590s, from one + -ness. A re-formation of Middle English onnesse, which vanished by 13c.
onerous (adj.): late 14c., from Old French onereus, honereus (14c., Modern French onéreux) and directly from Latin onerosus, from onus (genitive oneris) "burden" (see onus).
oneself: 1540s, one's self. Hyphenated 18c.; written as one word from c. 1827, on model of himself, itself, etc.
ongoing (adj.): also on-going, 1877, from on + going (see go).
onion (n.): early 12c., from Anglo-French union, Old French oignon "onion" (formerly also oingnon), and directly from Latin unionem (nominative unio), colloquial rustic Roman for "a kind of onion," also "pearl" (via notion of a string of onions), literally "one, unity;" sense connection is the successive layers of an onion, in contrast with garlic or cloves.

Old English had ynne (in ynne-leac), from the same Latin source, which also produced Irish inniun, Welsh wynwyn and similar words in Germanic. In Dutch, the ending in -n was mistaken for a plural inflection and new singular ui formed. The usual Indo-European name is represented by Greek kromion, Irish crem, Welsh craf, Old English hramsa, Lithuanian kremuse.

The usual Latin word was cepa, a loan from an unknown language; it is the source of Old French cive, Old English cipe, and, via Late Latin diminutive cepulla, Italian cipolla, Spanish cebolla, Polish cebula. German Zwiebel also is from this source, but altered by folk etymology in Old High German (zwibolla) from words for "two" and "ball." Onion ring is attested from 1952.

Onion dome attested from 1956; onion grass from 1883; onion skin as a type of paper from 1892. Onions, the surname, is attested from mid-12c. (Ennian), from Old Welsh Enniaun, ultimately from Latin Annianus, which was associated with Welsh einion "anvil."
oniony (adj.): 1838, from onion + -y (2). Related: Onioniness.
online (adj.): in reference to computers, "directly connected to a peripheral device," 1950 (originally as on-line).
onlooker (n.): c. 1600, from on + agent noun from look (v.).
only (adj.): Old English ænlic, anlic "only, unique, solitary," literally "one-like," from an "one" (see one) + -lic "-like" (see -ly (1)). Use as an adverb and conjunction developed in Middle English. Distinction of only and alone (now usually in reference to emotional states) is unusual; in many languages the same word serves for both. German also has a distinction in allein/einzig. Phrase only-begotten (mid-15c.) is biblical, translating Latin unigenitus, Greek monogenes. The Old English form was ancenned.
onnagata (n.): in Kabuki and similar drama, a man who plays female roles, 1901, from Japanese, from onna "woman" + kata "figure."
onomastic (adj.): 1716, from French onomastique (17c.), from Greek onomastikos "of or belonging to naming," from onomastos "named," verbal adjective of onomazein "to name," from onoma "name" (see name).
onomastics (n.): "scientific study of names and naming," 1936, from onomastic; also see -ics.
onomatopoeia (n.): 1570s, from Late Latin onomatopoeia, from Greek onomatopoiia "the making of a name or word" (in imitation of a sound associated with the thing being named), from onomatopoios, from onoma (genitive onomatos) "word, name" (see name (n.)) + a derivative of poiein "compose, make" (see poet). Related: Onomatopoeic; onomatopoeial.