ascertain的词源

英文词源

ascertain (v.)

early 15c., "to inform, to give assurance," from Anglo-French acerteiner, Old French acertener "to assure, certify" (13c.), from a "to" (see ad-) + certain "certain" (see certain). Modern meaning of "find out for sure by experiment or investigation" is first attested 1794. Related: Ascertained; ascertaining.

中文词源

ascertain：确认

as-同ad-. certain, 确定。

该词的英语词源请访问趣词词源英文版：ascertain 词源，ascertain 含义。

ascertain：确定，查明，弄清

词根词缀： as-加强意义 + -cert-确信 + -ain形容词词尾(转化为动词)