τά γε μὰν λίνα πάντα λελοίπει ἐκ Μοιρᾶν → but all the thread granted him by the Fates had run out
ῥογχάζειν: ῥέγκειν, «παρὰ τὸ ῥοχθεῖν τὸ ἠχεῖν» Βαρῖνος.