κτῆμι
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)
seul. ao.2 Act. ἔκταν, -ας, -α, -αμεν, 2ᵉ pl. inus., 3ᵉ pl. ἔκταν ; sbj. 1ᵉ pl. ion. κτέωμεν, inf. κτάμεναι, part. κτάς, Moy. ao.2 ἐκτάμην > inf. κτάσθαι, part. κτάμενος;
c. κτείνω.
Russian (Dvoretsky)
κτῆμι: (только aor. 2 ἔκτᾰν, inf. κτάμεναι, part. κτάς, эп.-ион. 1 л. pl. conjct. κτέωμεν; med.: aor. 2 ἐκτάμην, inf. κτάσθαι, part. κτάμενος) эп. = κτείνω.