The young men
bachuwr (baw-khoor')
participle passive of 977; properly, selected, i.e. a youth (often collective) -- (choice) young (man), chosen, hole.
of Aven
'Aven (aw'-ven)
idolatry; Aven, the contemptuous synonym of three places, one in Coele-Syria, one in Egypt (On), and one in Palestine (Bethel) -- Aven.
and of Pibeseth
Piy-Beceth (pee beh'-seth)
Pi-Beseth, a place in Egypt -- Pi-beseth.
shall fall
naphal (naw-fal')
to fall, in a great variety of applications (intransitive or causative, literal or figurative)
by the sword
chereb (kheh'-reb)
drought; also a cutting instrument (from its destructive effect), as a knife, sword, or other sharp implement -- axe, dagger, knife, mattock, sword, tool.
and these cities shall go
yalak (yaw-lak')
to walk; causatively, to carry (in various senses)
into captivity
shbiy (sheb-ee')
exiled; captured; as noun, exile (abstractly or concretely and collectively); by extension, booty -- captive(-ity), prisoners, take away, that was taken.