Where does “oint” come from?

oint (Anglo-Norman) comes from Old French oindre, from Latin ungō, from Latin unguō, from Proto-Italic ongʷō, from Proto-Indo-European h₃engʷ- — to smear, to anoint.

oint (Anglo-Norman): past participle of oindre; lard; fat; grease;...

Definitions

past participle of oindre; lard; fat; grease;...

Ancestry of “oint”, step by step

Step	Language	Word	Meaning
1	Old French	oindre	to anoint
2	Latin	ungō	to anoint, smear with oil, grease
3	Latin	unguō	—
4	Proto-Italic	ongʷō	to anoint
5	Proto-Indo-European	h₃engʷ-	to smear, to anoint

Every word from Proto-Indo-European h₃engʷ- →Every word from Proto-Italic ongʷō →Every word from Latin unguō →