Where does “porcioun” come from?

porcioun (Middle English) comes from Old French porcion, from Latin portio — share, part, portion; relation, proportion.

Ancestry of “porcioun”, step by step

Step	Language	Word	Meaning
1	Old French	porcion	—
2	Latin	portio	share, part, portion; relation, proportion

porcioun — Etymology, Origin & Word History | Etymology Explorer