Where does “laborieux” come from?
laborieux (French) comes from Latin laboriosus, from Latin lābor, from Old Latin labos, from Romanian labă, from Hungarian láb, from Proto-Uralic luwe, from Proto-Iranian *Hrawpācáh, from Proto-Indo-Iranian *Hrawpāćás.
laborieux (French): laborious
Ancestry of “laborieux”, step by step