Where does “Tammuz” come from?

Tammuz is an English name derived from Akkadian Tammūzu, which was borrowed from Sumerian 𒌉𒍣.

Ancestry of “Tammuz”, step by step

Step	Language	Word	Meaning
1	Hebrew	תַּמּוּז	—
2	Akkadian	[[𒌗]][[𒋗]]	—
3	Sumerian	𒌉𒍣	the true son

Tammuz — Etymology, Origin & Word History | Etymology Explorer