משׁמרת
mishmereth
mish-meh'-reth
Feminine of H4929; watch, that is, the act (custody) or (concretely) the sentry, the post; objectively preservation, or (concretely) safe; figuratively observance, that is, (abstractly) duty, or (objectively) a usage or party
KJV Usage: charge, keep, to be kept, office, ordinance, safeguard, ward, watch.