τράχυσμα
From LSJ
πολλάκις δοκεῖ τὸ φυλάξαι τἀγαθὰ τοῦ κτήσασθαι χαλεπώτερον εἶναι → it often proves harder to keep than to win prosperity | it is often harder for men to keep the good they have, than it was to obtain it
English (LSJ)
Ion. τρήχ-, ατος, τό,
A a roughness, Hp.Epid.2.3.1, Ath.11.475b (both pl.); of roughnesses or perh. prickly pains in the skin, Archig. ap. Gal.8.91, cf. Gal.8.105.