digestive (n.)youdaoicibaDictYouDict[digestive 词源字典]
late 14c., from Old French digestif (14c.), from Late Latin digestivus "pertaining to digestion," from past participle stem of Latin digerere (see digest (n.)). From 1530s as an adjective. The noun in the French form digestif is attested from 1908.[digestive etymology, digestive origin, 英语词源]