`atsar (Hebrew #6113)
to inclose; by analogy, to hold back; also to maintain, rule, assemble
KJV usage: X be able, close up, detain, fast, keep (self close, still), prevail, recover, refrain, X reign, restrain, retain, shut (up), slack, stay, stop, withhold (self).
Pronounce: aw-tsar'
Origin: a primitive root