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-Italic-āForms masculine agent nouns from prefixed or compounded bases
5Proto-Indo-European-éh₂—
Every word from Proto-Indo-Iranian *Hrawpāćás →Every word from Proto-Iranian *Hrawpācáh →Every word from Proto-Uralic luwe →