Strong's #1679: dobe' (pronounced do'-beh)
from an unused root (compare 1680) (probably meaning to be sluggish, i.e. restful); quiet:--strength.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
dôbe'
1) strength?, rest? (meaning obscure)
Part of Speech: noun masculine
Relation: from an unused root (compare 1680)
Usage:
This word is used 1 times:
Deuteronomy 33:25: "shall be iron and brass; and as thy days, so shall thy strength"