itinerant (adj.)youdaoicibaDictYouDict[itinerant 词源字典]
1560s (attested in Anglo-Latin from late 13c.), from Late Latin itinerantem (nominative itinerans), present participle of itinerare "to travel," from Latin iter (genitive itineris) "journey," from ire "go" (see ion). Originally in reference to circuit courts.[itinerant etymology, itinerant origin, 英语词源]