Abbott-Smith Manual Greek Lexicon
δημηγορέω (G1215)
1 δημηγορέω , -ῶ ( δῆμος , ἀγορεύω , to speak in the assembly ), [in LXX: Pr 24:66 ( 30:31 ), IV Mac 5:15 * ;] to deliver an oration : Ac 12:21 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain