Where does “μεταβάλλω” come from?

μεταβάλλω (Ancient Greek) comes from Ancient Greek βάλλω, from Proto-Hellenic *gʷəlnō.

μεταβάλλω (Ancient Greek): I throw into a different position, turn quickly...

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	βάλλω	I throw, cast, hurl; I let fall; I strike, touch
2	Proto-Hellenic	*gʷəlnō	—

μεταβάλλω — Etymology, Origin & Word History | Etymology Explorer