ἅλμην πιόντες ἐξαπῆλθον τοῦ βίου → they drank seawater and departed from life
(WH ἀναντιρητως, see their Appendix, p. 163, and Rho), adverb, without contradiction: Polybius 23,8, 11 (others).
ἀναντιρρήτως: без возражений, не споря Polyb.