English

keypath

From key + path.

A compound of key + path

Proto-West Germanic *kaiju

Old English cǣġ ‘key’

Middle English keye ‘a key’

English key

Proto-Germanic *paþaz ‘path’

Proto-West Germanic *paþ ‘path’

Old English pæþ ‘path’

Middle English path

English path

Today it means

noun A path to a file or other component that is critical to the installation of a given program.

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