muniment

Etymology

From Anglo-Norman muniment, Middle French muniment, and their source, Latin mūnīmentum (“fortification, defence”), from mūnīre (“to fortify”).

noun

1. (chiefly law) A deed, or other official document kept as proof of ownership or rights or privileges; an archived document.
   hauing the said deedes, euidences, muniments, terriers, and writinges in their hands[…] 1594, William West, Symboleography[…]
   Then, on the order of King Darius, a search was made in Babylonia in the muniment rooms where the archives were kept […] 1966, Jerusalem Bible, Ezra 6:1, London: Darton, Longman & Todd
2. (obsolete, in the plural) Things which a person or place is equipped with; effects, furnishings, accoutrements.
   Vpon a day as ſhe him ſate beſide, / By chance he certaine miniments forth drew, / Which yet with him as relickes did abide / Of all the bounty which Belphebe threw / On him, whilſt goodly grace ſhe did him ſhew: […] 1596, Edmund Spenser, The Faerie Qveene: Disposed into Twelue Books, Fashioning XII. Morall Vertues, London: Printed [by Richard Field] for VVilliam Ponsonbie, →OCLC, book IV, canto VIII, stanza VI
3. (obsolete) Something used as a defence.