Where does “cloistre” come from?

cloistre (Middle French) comes from Old French cloistre, from Latin claustrum, from Latin claudere, from Latin claudo, from Proto-Italic klaudō — close.

cloistre (Middle French): cloister

Definitions

cloister

Ancestry of “cloistre”, step by step

Step	Language	Word	Meaning
1	Old French	cloistre	cloister
2	Latin	claustrum	a bar, band, bolt; gate, door, bulwark; enclosure
3	Latin	claudere	present active infinitive of claudō;...
4	Latin	claudo	I shut, close, lock; I imprison, confine; I...
5	Proto-Italic	klaudō	close

Every word from Proto-Italic klaudō →Every word from Latin claudo →Every word from Latin claudere →