Where does “anacharis” come from?

anacharis (English) comes from Ancient Greek ἀνά, from Proto-Hellenic *aná — up, upon.

anacharis (English): Any freshwater weed of genus Elodea in the frog's-bit family (Hydrocharitaceae), native to America; the waterweed or water thyme

Definitions

Any freshwater weed of genus Elodea in the frog's-bit family (Hydrocharitaceae), native to America; the waterweed or water thyme

Ancestry of “anacharis”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἀνά	on board; on, upon
2	Proto-Hellenic	*aná	up, upon

Every word from Proto-Hellenic *aná →Every word from Ancient Greek ἀνά →