Where does “tāg” come from?

tāg (Middle Iranian) comes from Aramaic תגא, from Parthian *𐫤𐫀𐫃.

Ancestry of “tāg”, step by step

Step	Language	Word	Meaning
1	Aramaic	תגא	crown, diadem, tiara
2	Parthian	*𐫤𐫀𐫃	—

tāg — Etymology, Origin & Word History | Etymology Explorer