Where does “טוביה” come from?

טוביה (Hebrew) comes from Hebrew יה, from Hebrew יהוה, from Proto-Semitic *haway-.

Ancestry of “טוביה”, step by step

Step	Language	Word	Meaning
1	Hebrew	יה	Alternative form of טו , "usually avoided owing...
2	Hebrew	יהוה	YHWH, Yahweh, Jehovah; God; Yahweh
3	Proto-Semitic	*haway-	—

טוביה — Etymology, Origin & Word History | Etymology Explorer