Where does “laborios” come from?

laborios (Old French) comes from French laborieux, from Latin laboriosus, from Latin lābor, from Old Latin labos, from Romanian labă, from Hungarian láb, from Proto-Uralic luwe, from Proto-Iranian *Hrawpācáh — fox.

Ancestry of “laborios”, step by step

StepLanguageWordMeaning
1Frenchlaborieuxlaborious
2Latinlaboriosuslaborious, toilsome, demanding; industrious,...
3Latinlāborwork
4Old Latinlabos
5Romanianlabăpalm; paw
6Hungarianlábleg; foot; support, stand
7Proto-Uralicluwebone
8Proto-Iranian*Hrawpācáhfox
9Proto-Indo-Iranian*Hrawpāćásfox

Words derived from “laborios

Every word from Proto-Indo-Iranian *HrawpāćásEvery word from Proto-Iranian *HrawpācáhEvery word from Proto-Uralic luwe
laborios — Etymology, Origin & Word History | Etymology Explorer