Where does “lavoratura” come from?

lavoratura (Italian) comes from Italian lavorare, from Latin labōrō, from Latin lābor, from Old Latin labos, from Romanian labă, from Hungarian láb, from Proto-Uralic luwe, from Proto-Iranian *Hrawpācáh — fox.

Ancestry of “lavoratura”, step by step

StepLanguageWordMeaning
1Italianlavorareto work; to labor; to work; to function; to run...
2Latinlabōrōto toil, labor, work
3Latinlāborwork
4Old Latinlabos
5Romanianlabăpalm; paw
6Hungarianlábleg; foot; support, stand
7Proto-Uralicluwebone
8Proto-Iranian*Hrawpācáhfox
9Proto-Indo-Iranian*Hrawpāćásfox
Every word from Proto-Indo-Iranian *HrawpāćásEvery word from Proto-Iranian *HrawpācáhEvery word from Proto-Uralic luwe