infirm的词源

英文词源

infirm (adj.)

late 14c., "weak, unsound" (of things), from Latin infirmus "weak, frail, feeble" (figuratively "superstitious, pusillanimous, inconstant"), from in- "not, opposite of" (see in- (1)) + firmus (see firm (adj.)). Of persons, "not strong, unhealthy," first recorded c. 1600. As a noun from 1711.

中文词源

infirm：体弱的，生病的

in-,不，非，firm,固定的，坚实的。引申词义体弱的，生病的。

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

infirm：体弱的，生病的

词根词缀： in-不,无 + -firm-巩固,确定