But the mountain
har  (har)
a mountain or range of hills (sometimes used figuratively) -- hill (country), mount(-ain), promotion.
shall be thine for it is a wood
ya`ar  (yah'-ar)
a copse of bushes; hence, a forest; hence, honey in the comb (as hived in trees) -- (honey-)comb, forest, wood.
and thou shalt cut it down
bara'  (baw-raw')
(absolutely) to create; (qualified) to cut down (a wood), select, feed (as formative processes) -- choose, create (creator), cut down, dispatch, do, make (fat).
and the outgoings
towtsa'ah  (to-tsaw-aw')
(only in plural collective) exit, i.e. (geographical) boundary, or (figuratively) deliverance, (actively) source -- border(-s), going(-s) forth (out), issues, outgoings.
of it shall be thine for thou shalt drive out
yarash  (yaw-rash')
to occupy (by driving out previous tenants, and possessing in their place); by implication, to seize, to rob, to inherit; also to expel, to impoverish, to ruin
the Canaanites
Kna`aniy  (ken-ah-an-ee')
a Kenaanite or inhabitant of Kenaan; by implication, a pedlar (the Canaanites standing for their neighbors the Ishmaelites, who conducted mercantile caravans) -- Canaanite, merchant, trafficker.
though they have iron
barzel  (bar-zel')
iron (as cutting); by extension, an iron implement -- (ax) head, iron.
rekeb  (reh'-keb)
a vehicle; by implication, a team; by extension, cavalry; by analogy a rider, i.e. the upper millstone -- chariot, (upper) millstone, multitude (from the margin), wagon.
and though they be strong
chazaq  (khaw-zawk')
strong (usu. in a bad sense, hard, bold, violent) -- harder, hottest, + impudent, loud, mighty, sore, stiff(-hearted), strong(-er).