approbation (n.)youdaoicibaDictYouDict[approbation 词源字典]
late 14c., "proven effectiveness, excellence," from Old French aprobacion or directly from Latin approbationem (nominative approbatio) "an approval," noun of action from past participle stem of approbare (see approve). Meaning "approval, endorsement" is from early 15c.[approbation etymology, approbation origin, 英语词源]