Where does “genice” come from?

genice (Old French) comes from Vulgar Latin ienicia, from Latin iunicia, from Latin iunix — a young cow, calf, heifer.

Ancestry of “genice”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	ienicia	—
2	Latin	iunicia	—
3	Latin	iunix	a young cow, calf, heifer