Impeccable
来自Big Physics
mid 16th century (in the theological sense): from Latin impeccabilis, from in- ‘not’ + peccare ‘to sin’.
wiktionary
From Middle French impeccable, from Latin impeccabilis(“not liable to sin”), from im-(“not”) + peccare(“to err, to sin”).
etymonline
impeccable (adj.)
1530s, "not capable of sin," from French impeccable (15c.) or directly from Late Latin impeccabilis "not liable to sin," from assimilated form of in- "not, opposite of" (see in- (1)) + peccare "to sin" (see peccadillo). Meaning "faultless" is from 1610s. Related: Impeccably; impeccant; impeccancy.
