Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
εξεπολιόρκουν to capture LXX.Josh.10.5
εξεπολιόρκησεν captured LXX.Josh.10.34
εκπολιορκησάτωσαν let capture LXX.Josh.7.3

Liddell-Scott-Jones

ἐκπολιορκέω (ekpoliorkeō) to capture a city G:V

ἐκπολιορκέω-έω,

force a besieged town to surrender, force to capitulate, [Refs 5th c.BC+]:—passive, to be forced to surrender, [Refs 5th c.BC+]; ἐκ Βυζαντίου ἐκπολιορκέωηθείς[ἐκπολιορκέωηθέντος τοῦ σώματος ὑπὸ μακρᾶς νόσου 2nd c.AD: Diogenes Oenoandensis Epicureus 39. ">Refs 4th c.BC+]