Abbott-Smith Manual Greek Lexicon
εἰσ-ακούω (G1522)
5 εἰσ-ακούω [in LXX chiefly for שָׁמַע , also for עָנָה , etc. ;] to listen to , in two senses; to obey : I Co 14:21 (cf. De 1:43 , Si 3:6 ) to listen, assent to ; pass., to be heard : of persons praying, Mt 6:7 , He 5:7 ; of the prayer offered, Lk 1:13 , Ac 10:31 (cf. Ps 4:2 , Si 34:26 ); v. Cremer, 624).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain