Where does “unção” come from?

unção (Portuguese) comes from Old Portuguese [[hunçon]], [[onçon]], from Latin [[unctiō]], [[unctiōnis]].

unção (Portuguese): unction

Definitions

Step	Language	Word	Meaning
1	Old Portuguese	[[hunçon]], [[onçon]]	—
2	Latin	[[unctiō]], [[unctiōnis]]	—

unção — Etymology, Origin & Word History | Etymology Explorer