amigo (n.)youdaoicibaDictYouDict[amigo 词源字典]
"friend, comrade," often a form of address, 1837, American English (first attested in the phrase adios, Amigo), from Spanish amigo, literally "friend," from Latin amicus "friend," related to amare "to love" (see Amy).[amigo etymology, amigo origin, 英语词源]