Where does “Κάμιλλος” come from?

Κάμιλλος (Ancient Greek) comes from Latin Camillus, from Latin Camilla.

Ancestry of “Κάμιλλος”, step by step

Step	Language	Word	Meaning
1	Latin	Camillus	—
2	Latin	Camilla	—

Κάμιλλος — Etymology, Origin & Word History | Etymology Explorer