Where does “Kyrylo” come from?

Kyrylo (English) comes from Ukrainian Кирило, from Ancient Greek Κύριλλος, from Ancient Greek κῡ́ριος.

Ancestry of “Kyrylo”, step by step

Step	Language	Word	Meaning
1	Ukrainian	Кирило	—
2	Ancient Greek	Κύριλλος	—
3	Ancient Greek	κῡ́ριος	—

Kyrylo — Etymology, Origin & Word History | Etymology Explorer