Affrico, áffricas, pen. cor. affricâre. Plin. To rubbe against.
Lewis and Short: Latin dictionary
af-frĭco (better adf-), āre, ui, ātum, v. a., to rub on or against a thing: alicui (only in post-Aug. prose). I.Lit.: herbae se adfricans, Plin. 8, 27, 41, 99; so id. 29, 6, 38, 122: unguedine diu palmulis suis adfricata, App. M. 3, 138 Elm.—II.Trop., to communicate or impart by rubbing: rubiginem suam alicui, Sen. Ep. 7.