muniment

noun3

1. •
   A deed, or other official document kept as proof of ownership or rights or privileges; an archived document.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
2. •
   (no longer used) Something used as a defence.

   • other muniments and petty helps — 1608
3. •
   [in the plural] (no longer used) Things which a person or place is equipped with; effects, furnishings, accoutrements.