armory
‘a storehouse for arms; an arsenal’
Lexical development traced from the Tamil root:
E. armerie, armore, armorye,armurie ‘arms and weapons collectively; defensive armor’ < arm < O.F. armes ‘arms, weapons, war, warfare’ < Lat. arma ‘weapons’, literally tools, implements (of war)’ + -ory < ar(ə)mo- < aam < ar- < Tamil ār