νηλεῶς
From LSJ
ὥστε ὁ βίος, 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
French (Bailly abrégé)
adv.
sans pitié.
Étymologie: νηλεής.
Russian (Dvoretsky)
νηλεῶς: безжалостно, беспощадно Aesch.