Where does “Jacinto” come from?

Jacinto (Spanish) comes from Latin Hyacinthus, from Ancient Greek Ὑάκινθος.

Ancestry of “Jacinto”, step by step

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

Jacinto — Etymology, Origin & Word History | Etymology Explorer