βῶσαι

From LSJ

ὥστεβίος, ὢν καὶ νῦν χαλεπός, εἰς τὸν χρόνον ἐκεῖνον ἀβίωτος γίγνοιτ' ἂν τὸ παράπαν → and so life, which is hard enough now, would then become absolutely unendurable

Source

French (Bailly abrégé)

inf. ao. ion. et épq. de βοάω.

Russian (Dvoretsky)

βῶσαι: inf. aor. к βοάω.