Where does “zerke” come from?

zerke (Old Frisian) comes from Proto-West Germanic kirikā, from Ancient Greek κυριακόν, from Ancient Greek Κύριος, from Proto-Hellenic *kúrios.

Ancestry of “zerke”, 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	—

zerke — Etymology, Origin & Word History | Etymology Explorer