Where does “𐌇” come from?

𐌇 (Etruscan) comes from Ancient Greek η, from Phoenician 𐤇, from Egyptian ?.

Ancestry of “𐌇”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	η	Lower-case eta, the seventh letter of the ancient Greek alphabet. Its name was ἦτα and it represented a long open-mid front unrounded vowel:. It is often transliterated as either e or i. It is preceded by ζ and followed by θ
2	Phoenician	𐤇	het; heth
3	Egyptian	?	—