Lo now his strength
koach (ko'-akh)
from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard
is in his loins
mothen (mo'-then)
the waist or small of the back; only in plural the loins -- + greyhound, loins, side.
and his force
'own (one)
ability, power, (figuratively) wealth -- force, goods, might, strength, substance.
is in the navel
shariyr (shaw-reer')
a cord, i.e. (by analogy) sinew -- navel.
of his belly
beten (beh'-ten)
the belly, especially the womb; also the bosom or body of anything -- belly, body, + as they be born, + within, womb.