'aluminum-built' originates from English, composed of the noun 'aluminum' and the past-participial adjective 'built', where 'aluminum' ultimately traces to New Latin 'alumen' (from Latin 'alumen') meaning 'alum', and 'built' is from the verb 'build'.

'aluminum' was coined from Latin 'alumen' via New Latin and later adapted as 'aluminium' in British English (coined in the early 19th century); the American variant 'aluminum' became common later. 'Build' comes from Old English (e.g. 'byldan') meaning to construct, evolving into modern 'build' and its past participle 'built'.

Initially the root 'alumen' referred to the mineral 'alum'; over time the term evolved into the name of the metal ('aluminium'/'aluminum'). 'Build' originally meant 'to construct' and has retained that core meaning; combined as a compound, 'aluminum-built' means 'constructed of aluminum'.