ἔλαθον

From LSJ

ὀδοῦσι καὶ ὄνυξι καὶ πάσῃ μηχανῇ → tooth and nail | tooth, fang, and claw | in every possible way | by hook or by crook

Source

French (Bailly abrégé)

ao.2 de λανθάνω.

Russian (Dvoretsky)

ἔλαθον: aor. 2 к λανθάνω.