the adjective 'weaponless' is a transparent compound formed within english by combining the native english noun 'weapon' with the productive suffix '-less'. the noun 'weapon' itself has germanic roots, deriving from old english 'wǣpen', which referred broadly to an instrument of combat or violence. the suffix '-less' originates from old english '-lēas', meaning 'devoid of' or 'lacking', which is cognate with the modern english word 'loose'. the formation follows a straightforward and logical pattern in english, where adding '-less' to a noun creates an adjective describing the absence of that noun. thus, 'weaponless' literally means 'without a weapon', a meaning that has remained consistent and clear from its morphological construction to its modern usage.

Structure: weapon + less weapon: from old english 'wǣpen', meaning an instrument for fighting or defense. less: from old english '-lēas', a suffix meaning 'without' or 'free from'.