Where does “oû” come from?

oû (Walloon) comes from Old French oef, from Latin ōvum, from Latin -ātus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos — Forms adjectives from nouns, indicating the possession of a thing or a quality.

oû (Walloon): egg

Definitions

Ancestry of “oû”, step by step

Step	Language	Word	Meaning
1	Old French	oef	egg
2	Latin	ōvum	egg
3	Latin	-ātus	ed
4	Proto-Italic	-ātos	—
5	Proto-Indo-European	-éh₂tos	Forms adjectives from nouns, indicating the possession of a thing or a quality

Every word from Proto-Indo-European -éh₂tos →Every word from Latin -ātus →Every word from Latin ōvum →