κατ-ᾰκούω · kat-akouō — LSJ
hear and obey, be subject
hear and obey, be subject, Ἀράβιοι οὐδαμὰ κατήκουσαν ἐπὶ δουλοσύνῃ Πέρσῃσι Hdt. 3.88, cf. App. Syr. 55; τινος D. 1.23, Arr. Fr. 7J., App. Mith. 57, Hierocl. in CA 19p.461M.
2 give ear, listen
give ear, listen to one, D. 6.35; of eavesdroppers, Str. 14.1.32.
3 hear plainly, overheard
hear plainly, τι E. Rh. 553 (lyr.), Th. 2.84, Pl. R. 531a; τίνος; Ar. Ra. 312, cf. Pl. Prt. 330e; ὁ θυρωρὸς . . κατήκουεν ἡμῶν overheard us, ib. 314c; κ. αὐλοῦντος Arist. EN 1175b4: abs., Th. 3.22.