κτάσθαι
From LSJ
Ὤδινεν ὄρος, Ζεὺς δ' ἐφοβεῖτο, τὸ δ' ἔτεκεν μῦν → The mountain was in labor—even Zeus was afraid—but gave birth to a mouse
French (Bailly abrégé)
inf. ao.2 Moy. poét. de κτῆμι.
Dutch (Woordenboekgrieks.nl)
κτάσθαι poët. inf. aor. med. van κτείνω.
Russian (Dvoretsky)
κτάσθαι: inf. aor. 2 med. к *κτῆμι.