infidelity的词源

英文词源

infidelity (n.)

c. 1400, "want of faith, unbelief in religion; false belief, paganism;" also (early 15c.) "unfaithfulness or disloyalty to a person" (originally to a sovereign, by 16c. to a lover or spouse), from French infidélité, from Latin infidelitatem (nominative infidelitas) "unfaithfulness, faithlessness," noun of quality from infidelis (see infidel).

中文词源

infidelity：不忠，通奸

in-,不，非，-fid,信任，信仰，词源同faith,infidelity.即不能相信的，不忠的，后用于指通奸。

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