A / affixĭō
noun

affixĭō

gen. affixōnis · gender feminine · decl. 3rd
(), , affigo
a joining; fastening to; an addition
a joining or fastening to, an addition (only in late Lat.): continua, Non. 1, 327.—Hence, a zealous, ardent attachment to a thing: philologiae, Capell. 1, p. 14.