צָבָא
English (Strong)
a primitive root; to mass (an army or servants): assemble, fight, perform, muster, wait upon, war.
or (feminine) tsbadah; from צָבָא; a mass of persons (or figuratively, things), especially reg. organized for war (an army); by implication, a campaign, literally or figuratively (specifically, hardship, worship): appointed time, (+) army, (+) battle, company, host, service, soldiers, waiting upon, war(-fare).