Where does “orar” come from?

orar (Romanian) comes from French horaire, from Medieval Latin horarius, from Latin hōra, from Ancient Greek ὥρα, from Proto-Hellenic *worā, from Proto-Indo-European wēr-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

orar (Romanian): hourly

Definitions

hourly

Ancestry of “orar”, step by step

Step	Language	Word	Meaning
1	French	horaire	schedule; hourly; clockwise
2	Medieval Latin	horarius	—
3	Latin	hōra	hour
4	Ancient Greek	ὥρα	any defined period of time; season; climate
5	Proto-Hellenic	*worā	—
6	Proto-Indo-European	wēr-	true
7	Proto-Indo-European	wer-	to burn; to cover, heed, notice; squirrel

Every word from Proto-Indo-European wer- →Every word from Proto-Indo-European wēr- →Every word from Proto-Hellenic *worā →