Where does “douelle” come from?

douelle (Old French) comes from Old French doue, from Latin doga, from Ancient Greek δοχή, from Ancient Greek -ή, from Ancient Greek -ᾱ, from Proto-Indo-European -éh₂.

Ancestry of “douelle”, step by step

Step	Language	Word	Meaning
1	Old French	doue	—
2	Latin	doga	vat; vessel
3	Ancient Greek	δοχή	receptacle
4	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
5	Ancient Greek	-ᾱ	nominal suffix
6	Proto-Indo-European	-éh₂	—

Words derived from “douelle”

aduela
duela

Every word from Proto-Indo-European -éh₂ →Every word from Ancient Greek -ή →Every word from Ancient Greek -ᾱ →