crustallus
From LSJ
ἔστιν δέ που ἡ μὲν ἐπὶ σώμασι γυμναστική, ἡ δ' ἐπὶ ψυχῇ μουσική → I think I am right in saying that we have physical exercise for the body and the arts for the soul
Latin > English
crustallus crustalli N F :: ice; rock crystal; crystal drinking cup; crystal-ware (pl.)
Latin > German (Georges)
crustallus, s. crystallus.