Where does “curieus” come from?

curieus (Dutch) comes from Middle Dutch curioes, from French curieux, from Latin curiosus, from Latin -osus, from Old Latin -osos, from Latin ont-to-s, from Latin -o-wont-to-s.

curieus (Dutch): rare, curious, remarkable; notable, interesting

Definitions

rare, curious, remarkable; notable, interesting

Ancestry of “curieus”, step by step

Step	Language	Word	Meaning
1	Middle Dutch	curioes	—
2	French	curieux	curious, inquisitive, intrigued, wondering;...
3	Latin	curiosus	Careful, diligent, thoughtful, devoted;...
4	Latin	-osus	-ose, -ous; full of, overly, prone to
5	Old Latin	-osos	accusative masculine plural of -ōsus
6	Latin	ont-to-s	—
7	Latin	-o-wont-to-s	—

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