Garrison comes from Middle English 'garisoun', from Old French 'garison' ('defense, protection, provisions'), from 'garir' ('to defend, protect'), of Germanic origin. The development is chiefly a borrowing or learned continuation, carrying an older form and meaning into English rather than building the word from a purely native base. In present use, it is used as a noun and verb meaning "troops stationed in a fortress; to station troops in a place", so the historical material remains connected with the current sense rather than standing as bare ancestry. The wider English family includes related forms such as garret, showing how the same historical material continues to organize neighboring vocabulary. The named historical forms include Old French garison and Proto-Germanic *warjan, keeping the history tied to concrete forms rather than a loose resemblance. Its semantic neighborhood includes fort, stronghold, fortress, and troops, locating the modern specialization without adding a new origin story.