Where does “𐌓” come from?

𐌓 (Etruscan) comes from Ancient Greek Ρ, from Phoenician 𐤓, from Egyptian 𓁶.

Ancestry of “𐌓”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ρ	rho
2	Phoenician	𐤓	reš; resh
3	Egyptian	𓁶	—