Where does “ט‬” come from?

ט‬ (Aramaic) comes from Aramaic 𐡈, from Egyptian 𓄤.

Ancestry of “ט‬”, step by step

Step	Language	Word	Meaning
1	Aramaic	𐡈	A letter of the Imperial Aramaic alphabet, named teth, transliterated as Latin ṭ
2	Egyptian	𓄤	—