Where does “laborious” come from?
Laborious comes from Old French laborios, derived from Latin laboriosus, formed from the Latin root labor with the suffix -osus meaning full of or characterized by, ultimately tracing to Proto-Indo-European leb-.
laborious (English): Requiring much physical effort; toilsome;...
Definitions
- Requiring much physical effort; toilsome;...
Ancestry of “laborious”, step by step
Words derived from “laborious”