Where does “ultralaborious” come from?

ultralaborious (English) comes from English laborious, from Old French laborios, from French laborieux, from Latin laboriosus, from Latin lābor, from Old Latin labos, from Romanian labă, from Hungarian láb — fox.

ultralaborious (English): extremely laborious

Definitions

  1. extremely laborious

Ancestry of “ultralaborious”, step by step

ultralaborious traces back through two separate lines of ancestry.

via English laborious

StepLanguageWordMeaning
1EnglishlaboriousRequiring much physical effort; toilsome;...
2Old Frenchlaborios
3Frenchlaborieuxlaborious
4Latinlaboriosuslaborious, toilsome, demanding; industrious,...
5Latinlāborwork
6Old Latinlabos
7Romanianlabăpalm; paw
8Hungarianlábleg; foot; support, stand
9Proto-Uralicluwebone
10Proto-Iranian*Hrawpācáhfox
11Proto-Indo-Iranian*Hrawpāćásfox

via English ultra

StepLanguageWordMeaning
1EnglishultraExtreme; far beyond the norm; fanatical;...
2Latinultrābeyond
3Latin-asuffixed to the roots of verbs, forms agent...
4Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
5Proto-Indo-European-éh₂
Every word from Proto-Indo-Iranian *Hrawpāćás