Where does “vaccinium” come from?

vaccinium (English) comes from Translingual Vaccinium, from Latin vaccinium, from Ancient Greek Ὑάκινθος.

vaccinium (English): Any of the genus "Vaccinium" of ericaceous shrubs...

Definitions

Step	Language	Word	Meaning
1	Translingual	Vaccinium	—
2	Latin	vaccinium	the bilberry, blueberry, whortleberry
3	Ancient Greek	Ὑάκινθος	—

vaccinium — Etymology, Origin & Word History | Etymology Explorer