τὸ δυσμείλικτον
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
Spanish
Translations
implacability
French: implacabilité; Greek: αδιαλλαξία, αναλγησία, ανυποχωρησία; Ancient Greek: τὸ δυσμείλικτον, ἀσπονδία, ἀθελγία; Irish: dobhogthacht, doshástacht; Italian: implacabilità; Manx: myskid, neuveeinid; Norwegian Bokmål: uforsonlighet; Polish: nieugiętość; Russian: непримиримость; Spanish: implacabilidad