Where does “labor” come from?

labor (Latin) comes from Old Latin labos, from Romanian labă, from Hungarian láb, from Proto-Uralic luwe, from Proto-Iranian *Hrawpācáh, from Proto-Indo-Iranian *Hrawpāćás.

Ancestry of “labor”, step by step

Step	Language	Word	Meaning
1	Old Latin	labos	—
2	Romanian	labă	palm; paw
3	Hungarian	láb	leg; foot; support, stand
4	Proto-Uralic	luwe	bone
5	Proto-Iranian	*Hrawpācáh	—
6	Proto-Indo-Iranian	*Hrawpāćás	—

Every word from Proto-Indo-Iranian *Hrawpāćás →

labor — Etymology, Origin & Word History | Etymology Explorer