A / affrĭcātĭo
noun

affrĭcātĭo

gen. affrĭcātōnis · gender feminine · decl. 3rd
(), , affrico
a rubbing on; against
a rubbing on or against a thing, Cael. Aur. Morb. Acut. praef. n. 131; id. ib. 1, 14, 106.