Strong's Hebrew: 5341. natsar (naw-tsar')
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5341. natsar (naw-tsar')
5342 >>
A primitive root; to guard, in a good sense (to protect, maintain, obey, etc.) Or a bad one (to conceal, etc.) -- besieged, hidden thing, keep(-er, -ing), monument, observe, preserve(-r), subtil, watcher(-man).
Strong's Numbers Online Bible Dictionary