JainyoudaoicibaDictYouDict[Jain 词源字典]
1805, from Hindi Jaina, from Sanskrit jinah "saint," literally "overcomer," from base ji "to conquer," related to jayah "victory," from PIE root *gweie- (2) "to press down, conquer." The sect dates from 6c. B.C.E.[Jain etymology, Jain origin, 英语词源]