Where does “Kyrie eleison” come from?

Kyrie eleison (German) comes from Ecclesiastical Latin Kȳrie eleison, from Ancient Greek Κῡ́ριε ἐλέησον.

Ancestry of “Kyrie eleison”, step by step

Step	Language	Word	Meaning
1	Ecclesiastical Latin	Kȳrie eleison	—
2	Ancient Greek	Κῡ́ριε ἐλέησον	—

Kyrie eleison — Etymology, Origin & Word History | Etymology Explorer