English

keystore

From key + store.

A compound of key + store

Proto-West Germanic *kaiju

Old English cǣġ ‘key’

Middle English keye ‘a key’

English key

Latin īnstaurō ‘to renew, set up’

Anglo-Norman stor

Middle English store ‘supplies’

English store

Today it means

noun A storage area for cryptographic keys.

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

Etymograph / keystore