'army' originates from Old French, specifically the word 'armée', where 'arme' meant 'weapon' or 'army' (from Latin 'arma').

'army' changed from Old French 'armée' and Middle English 'arme'/'armie' and eventually became the modern English word 'army'.

Initially, it referred to 'arms' or 'armed force/equipment', but over time it evolved into the current meaning of 'an organized land military force'.