τύλωσις

A. a making or becoming callous, Gal. 14.767, Poll. 4.191.

II. ἐπιτιμὰγ κρηπῖδος τυλώσιος perh. payment for hardening the κρηπίς (by coating it with something), IG 42(1).103.51 (Epid., iv B. C.).