英语词源字典 - 在线词源网站

onomatopoeic (adj.)[onomatopoeic 词源字典]: 1860, from French onomatopoéique or else from onomatopoeia + -ic.[onomatopoeic etymology, onomatopoeic origin, 英语词源]
Onondaga: tribe in the Iroquois Confederacy, 1684, named for its principal settlement, from Onondaga onontake, literally "on the hill."
onset (n.): 1530s, "attack, assault," from on + set (n.); compare verbal phrase to set (something) on (someone). Weaker sense of "beginning, start" first recorded 1560s. Figurative use in reference to a calamity, disease, etc. is from 1580s.
onslaught (n.): 1620s, anslaight, somehow from or on analogy of Dutch aanslag "attack," from Middle Dutch aenslach, from aen "on" (see on) + slach "blow," related to slaen "slay." Spelling influenced by obsolete (since c. 1400) English slaught (n.) "slaughter," from Old English sleaht (see slaughter (n.)). No record of its use in 18c.; apparently revived by Scott.
Ontario: from Mohawk (Iroquoian) ontari:io "beautiful lake" or "great lake," from /-qtar-/ "lake, river." Related: Ontarian.
ontic (adj.): 1949, from onto- + -ic.
onto (prep.): 1580s, as on to, from on + to. Appeared much later than parallel into. As a closed compound (on analogy of into), first recorded 1715.
onto-: word-forming element meaning "a being, individual; being, existence," from Greek onto-, from stem of on (genitive ontos) "being," neuter present participle of einai "to be" (see essence).
ontogeny (n.): "development of an individual," 1872, from onto- + -geny. Related: Ontogenic; ontogenesis.
ontological (adj.): 1782, from ontology + -ical. Related: Ontologically
ontology (n.): "metaphysical science or study of being," 1660s (Gideon Harvey), from Modern Latin ontologia (c. 1600), from onto- + -logy.
onus (n.): 1640s, from Latin onus "load, burden," figuratively "tax, expense; trouble, difficulty," from PIE *en-es- "burden" (source of Sanskrit anah "cart, wagon"). Hence legal Latin onus probandi (1722), literally "burden of proving."
onward (adv.): late 14c., from on + -ward. The form onwards, with adverbial genitive -s-, is attested from c. 1600.
onwards (adv.): see onward.
onymous (adj.): 1775, coined to provide an opposite to anonymous. Related: Onymously.
onyx (n.): mid-13c., from Old French oniche "onyx" (12c.), and directly from Latin onyx (genitive onychis), from Greek onyx "onyx-stone," originally "claw, fingernail" (see nail (n.)). So called because the mineral's color sometimes resembles that of a fingernail, pink with white streaks.
oo-: word-forming element meaning "egg, eggs," from Greek oon "egg," cognate with Latin ovum, Old Norse egg (see egg (n.)).
oocyte (n.): 1895, from oo- + -cyte (see cyto-).
oodles (n.): "lots," 1869, American English (originally in a Texas context), perhaps from the caboodle in kit and caboodle (see kit).
oogenesis (n.): "formation of the ovum," 1892, from oo- + -genesis "birth, origin, creation."