exculpate (v.)youdaoicibaDictYouDict[exculpate 词源字典]
"to clear from suspicion of wrong or guilt," 1650s, from Medieval Latin exculpatus, past participle of exculpare, from Latin ex culpa, from ex "from" (see ex-) + culpa ablative of culpa "blame, fault." Related: Exculpated; exculpating.[exculpate etymology, exculpate origin, 英语词源]