英语词汇reciprocity的起源、历史背景-英语词源词典

词汇	reciprocity
词源	reciprocity n. "state or condition of free interchange, mutual responsiveness," 1766, from French réciprocité (18c.), from reciproque, from Latin reciprocus, past participle of reciprocare "rise and fall, move back and forth; reverse the motion of" (see reciprocal). Specifically as "equality of commercial privileges between the subjects of different governments" is by 1782. Related: Reciprocality (1650s). Entries linking to reciprocity reciprocal adj. 1570s, "existing on both sides, exclusive or interchangeable" (of duties, etc.), with -al (1) + stem of Latin reciprocus "returning the same way, alternating," from pre-Latin reco-proco-, from recus (from re- "back;" see re-, + -cus, adjective formation) + *procus (from pro- "forward," see pro-, + -cus). Related: Reciprocally. From 1590s as "given, felt, or shown in return;" c. 1600 as "corresponding or answering to each other, mutually equivalent." The sense of "moving backward and forward, having an alternating back and forth motion" (c. 1600) is obsolete. The noun meaning "that which is reciprocal" (to another) is from 1560s. In scientific and mechanical uses, reciprocating, reciprocative (1804), and reciprocatory (1826) have been tried. updated on May 20, 2021
随便看	unoriginal unorthodox unorthodoxy unostentatious unowned unpack unpaid unpalatable unparalleled unpardonable unpatriotic unpaved unpenetrable unperceived unpersuasive unperturbed unplace unplanned unpleasant unpleasantness unplug unpolished unpolluted unpopular unpopularity

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reciprocity n.

Entries linking to reciprocity