English

incloister

From in- + cloister.

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Proto-Indo-European *kleh₂w- ‘key, hook, nail’

…

Medieval Latin claudō ‘to close’

Medieval Latin claustrum ‘portion of monastery closed off to laity’

Old French cloistre

Middle English cloistre ‘a monastery or cloister’

Today it means

verb —

Language periods are conventional ranges, not dates for this word.

Etymograph / incloister