Νέοις τὸ σιγᾶν κρεῖττόν ἐστιν τοῦ λαλεῖν → Sermone melius est iuveni silentium → Es schweigen besser, statt zu schwätzen, junge Leut'
sēmuncĭālis: e, adj. semuncia,
I amounting to a half-ounce: asses, the twenty-fourth part of a pound in weight, Plin. 33, 3, 13, § 46 (Jahn, semiunciarius).