英语词源字典 - 在线词源网站

comorbidity (n.)[comorbidity 词源字典]: 1985, from co- "along with" + morbidity "diseased condition." Comorbid (adj.) is a 1990 back-formation.[comorbidity etymology, comorbidity origin, 英语词源]
comp (n.): "complimentary ticket," 1885, short for complimentary. Meaning "nonpaying guest" is attested by 1930s; generalized to "anything given free" by 1960s. As a verb, by 1974. Related: Comped; comping. As a shortening of compensation (especially worker's/workman's) it was in use by 1970s.
compact (adj.): late 14c., from Middle French compact (14c.) or directly from Latin compactus "concentrated," past participle of compingere "to fasten together, construct," from com- "with, together" (see com-) + pangere "to fix, fasten" (see pact). Compact car is 1960. Compact disc is from 1979.
compact (n.1): "agreement," 1590s, from Latin compactum "agreement," noun use of neuter past participle of compacisci "come to agreement," from com- "together" (see com-) + pacisci "to covenant, contract" (see pact).
compact (v.): early 15c., from Latin compactus, past participle of compingere "to fasten together" (see compact (adj.)). Related: Compacted; compacting.
compact (n.2): "make-up case," 1921, from compact (adj.), based on its containing compacted face powder.
compaction (n.): late 14c., from Old French compaction, from Latin compactionem (nominative compactio) "a putting or joining together," noun of action from past participle stem of compingere (see compact (adj.)).
compadre (n.): "companion," 1834, American English, from Spanish compadre "godfather," hence "benefactor, friend," from Medieval Latin compater, from com- "with" (see com-) + pater "father" (see father (n.). Compare compere, also gossip (n.).
companion (n.): c. 1300, from Old French compagnon "fellow, mate, friend, partner" (12c.), from Late Latin companionem (nominative companio), literally "bread fellow, messmate," from Latin com- "with" (see com-) + panis "bread" (see food).

Found first in 6c. Frankish Lex Salica, and probably a translation of a Germanic word (compare Gothic gahlaiba "messmate," from hlaib "loaf of bread"). Replaced Old English gefera "traveling companion," from faran "go, fare."
companionable (adj.): 1620s, from companion + -able. Related: Companionably; companionability.
companionship (n.): 1540s, from companion + -ship.
company (n.): mid-12c., "large group of people," from Old French compagnie "society, friendship, intimacy; body of soldiers" (12c.), from Late Latin companio (see companion). Meaning "companionship" is from late 13c. Sense of "business association" first recorded 1550s, having earlier been used in reference to trade guilds (c. 1300). Meaning "subdivision of an infantry regiment" is from 1580s. Abbreviation co. dates from 1670s.
comparable (adj.): early 15c., from Middle French comparable, from Latin comparabilis "capable of comparison," from comparare (see comparison). Related: Comparably; comparability.
comparation (n.): late 15c., from Latin comparationem "a putting together," hence, "a comparing," noun of action from comparare (see comparison).
comparative (adj.): mid-15c., from Middle French comparatif, from Latin comparativus "pertaining to comparison," from comparat-, past participle stem of comparare (see comparison). Originally grammatical; general sense is from c. 1600; meaning "involving different branches of a subject" is from 1670s. Related: Comparatively.
comparator (n.): 1883, agent noun in Latin form from compare.
compare (v.): late 14c., from Old French comparer (12c., Modern French comparer), from Late Latin comparare "to liken, to compare" (see comparison). Related: Compared; comparing. To compare notes is from 1708. Phrase without compare (attested from 1620s, but similar phrasing dates to 1530s) seems to be altered by folk etymology from compeer "rival."
comparison (n.): mid-14c., from Old French comparaison (12c.), from Latin comparationem (nominative comparatio), noun of action from past participle stem of comparare "make equal with, liken, bring together for a contest," literally "to couple together, to form in pairs," from com- "with" (see com-) + parare "prepare" (see pare).
compartment (n.): 1560s, from Middle French compartiment "part partitioned off" (16c.), through Italian compartimento, from Late Latin compartiri "to divide," from com-, intensive prefix (see com-), + partis, genitive of pars "part" (see part (n.)).
compartmental (adj.): 1831, from compartment + -al (1).