Institution
late Middle English (in institution (sense 2, sense 3)): via Old French from Latin institutio(n- ), from the verb instituere (see institute). institution (sense 1) dates from the early 18th century.
wiktionary
From Middle English institucioun, from Old French institution, from Latin institūtiō, from instituō(“to set up”), from in-(“in, on”) + statuō(“to set up, establish”).
etymonline
institution (n.)
c. 1400, "action of establishing or founding (a system of government, a religious order, etc.)," from Old French institucion "foundation; thing established" (12c.), from Latin institutionem (nominative institutio) "a disposition, arrangement; instruction, education," noun of state from institutus (see institute (v.)).
Meaning "established law or practice" is from 1550s. Meaning "establishment or organization for the promotion of some charity" is from 1707. Jocular or colloquial use for "anything that's been around a long time" is from 1837.
