Where does “jacincte” come from?

jacincte (Old French) comes from Medieval Latin jacintus, from Latin Hyacinthus, from Ancient Greek Ὑάκινθος.

Ancestry of “jacincte”, step by step

Step	Language	Word	Meaning
1	Medieval Latin	jacintus	—
2	Latin	Hyacinthus	—
3	Ancient Greek	Ὑάκινθος	—

jacincte — Etymology, Origin & Word History | Etymology Explorer