Where does “kirkio” come from?

kirkio (Old Swedish) comes from Proto-West Germanic kirikā, from Ancient Greek κυριακόν, from Ancient Greek Κύριος, from Proto-Hellenic *kúrios — lord, master.

Ancestry of “kirkio”, step by step

Step	Language	Word	Meaning
1	Proto-West Germanic	kirikā	church
2	Ancient Greek	κυριακόν	church
3	Ancient Greek	Κύριος	Lord
4	Proto-Hellenic	*kúrios	lord, master

Every word from Proto-Hellenic *kúrios →Every word from Ancient Greek Κύριος →Every word from Ancient Greek κυριακόν →