necessary

Origin: From , from , from , variant of unavoidable, inevitable, probably from ne or non cessum, from the perfect passive participle of yield; avoid, withdraw; see cede. Older use as a noun in reference to an outhouse or lavatory under the influence of English and , a medieval term for the place for monks’ “unavoidable” business, usually located behind or attached to monastic dormitories. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).