baksheesh (n.)youdaoicibaDictYouDict[baksheesh 词源字典]
1620s, in India, Egypt, etc., "a tip," from Persian bakhshish, literally "gift," from verb bakhshidan "to give" (also "to forgive"), from PIE root *bhag- "to share out, apportion, distribute" (see -phagous).[baksheesh etymology, baksheesh origin, 英语词源]