οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → keeping silence is not shameful; speaking at random is (Menander)
ῶν (τά) :pl. de ὀστέον.
ὀστᾶ: τά pl. к ὀστέον.