Where does “cimetoche” come from?

cimetoche (French) comes from French cimetière, from Old French cimitiere, from Medieval Latin cimiterium, from Late Latin coemeterium, from Ancient Greek κοιμητήριον, from Ancient Greek κοιμάω, from Proto-Indo-European ḱey- — to be lying down; to settle.

Ancestry of “cimetoche”, step by step

Step	Language	Word	Meaning
1	French	cimetière	cemetery, graveyard
2	Old French	cimitiere	—
3	Medieval Latin	cimiterium	—
4	Late Latin	coemeterium	cemetery, churchyard, burial ground
5	Ancient Greek	κοιμητήριον	sleeping chamber
6	Ancient Greek	κοιμάω	put to sleep, lull; to sleep
7	Proto-Indo-European	ḱey-	to be lying down; to settle

Every word from Proto-Indo-European ḱey- →Every word from Ancient Greek κοιμάω →Every word from Ancient Greek κοιμητήριον →