Where does “curious” come from?

curious (Middle English) comes from Old French curios, from Latin curiosus, from Latin -osus, from Old Latin -osos, from Latin ont-to-s, from Latin -o-wont-to-s.

curious (Middle English): careful, meticulous; ingenious, skilful; expert,...

Definitions

  1. careful, meticulous; ingenious, skilful; expert,...

Ancestry of “curious”, step by step

curious traces back through two separate lines of ancestry.

via Old French curios

StepLanguageWordMeaning
1Old Frenchcurios—
2LatincuriosusCareful, diligent, thoughtful, devoted;...
3Latin-osus-ose, -ous; full of, overly, prone to
4Old Latin-ososaccusative masculine plural of -ōsus
5Latinont-to-s—
6Latin-o-wont-to-s—

via Old French curius

StepLanguageWordMeaning
1Old Frenchcurius—

Words derived from “curious”

Every word from Latin -o-wont-to-s →Every word from Latin -osus →Every word from Latin curiosus →