migrant (adj.)youdaoicibaDictYouDict[migrant 词源字典]
1670s, from Latin migrantem (nominative migrans), present participle of migrare "to remove, depart, to move from one place to another" (see migration).[migrant etymology, migrant origin, 英语词源]
migrant (n.)youdaoicibaDictYouDict
"person who migrates," 1760, from migrant (adj.).