Where does “sekrestyék” come from?

sekrestyék (Hungarian) comes from Hungarian sekrestye, from Latin segrestia, from Latin sacrista, from Latin sacer, from Proto-Indo-European sh₂krós, from Proto-Indo-European seh₂k- — sacred.

Ancestry of “sekrestyék”, step by step

Step	Language	Word	Meaning
1	Hungarian	sekrestye	sacristy
2	Latin	segrestia	sacristy
3	Latin	sacrista	sexton; sacristan, vestryman
4	Latin	sacer	sacred, holy, dedicated (to a divinity), consecrated, hallowed
5	Proto-Indo-European	sh₂krós	sacred
6	Proto-Indo-European	seh₂k-	sacred

Every word from Proto-Indo-European seh₂k- →Every word from Proto-Indo-European sh₂krós →Every word from Latin sacer →