M / māchĭo
noun gloss

māchĭo

gen. māchōnis · gender masculine · decl. 3rd
one who works on a scaffold, a mason
one who works on a scaffold, a mason: machiones dicti a machinis, quibus insistunt propter altitudinem parietum, Isid. Orig. 19, 8, 2 (hence, Fr. macon; Engl. mason).