英语词汇iteration的起源、历史背景-英语词源词典

词汇	iteration
词源	iteration n. "a saying or doing again, or over and over again; repeated utterance or occurrence," late 15c., from Latin iterationem (nominative iteratio) "a repetition," noun of action from past-participle stem of iterare "do again, repeat," from iterum "again," from PIE i-tero-, from pronominal root i- (see yon). Entries linking to iteration yon adj., pron. Old English geon "that (over there)," from Proto-Germanic jaino- (source also of Old Frisian jen, Old Norse enn, Old High German ener, Middle Dutch ghens, German jener, Gothic jains "that, you"), from PIE pronominal stem i- (source also of Sanskrit ena-, third person pronoun, anena "that;" Latin idem "the same," id "it, that one;" Old Church Slavonic onu "he;" Lithuanian ans "he"). As an adverb from late 15c., a shortening of yonder. iterate v. 1530s, "to do again, repeat," back-formation from iteration, or else from Latin iteratus, past participle of iterare "do again, repeat." Related: Iterated; iterating. yon (adj., pron.)iterate (v.)iterative (adj.)reiterate (v.) updated on October 18, 2018
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英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。

iteration n.