liberation (n.)youdaoicibaDictYouDict[liberation 词源字典]
early 15c., from Middle French libération and directly from Latin liberationem (nominative liberatio) "a setting or becoming free," noun of action from past participle stem of liberare "set free" (see liberate). Liberation theology (1969) translates Spanish teologia de la liberación, coined 1968 by Peruvian priest Gustavo Gutiérrez.[liberation etymology, liberation origin, 英语词源]