κατέδυν

From LSJ

ἔνδον γὰρ ἁνὴρ ἄρτι τυγχάνει, κάρα στάζων ἱδρῶτι καὶ χέρας ξιφοκτόνους → yes, the man is now inside, his face and hands that have slaughtered with the sword dripping with sweat

Source

French (Bailly abrégé)

v. καταδύω.

Russian (Dvoretsky)

κατέδυν: aor. 2 med. к καταδύω.

Dutch (Woordenboekgrieks.nl)

κατέδυν stamaor. van καταδύομαι (zie καταδύω).