4931. mishmereth (mish-mer'-reth)
fem. of mishmar; watch, i.e. the act (custody), or (concr.) the sentry, the post; obj. preservation, or (concr.) safe; fig. observance, i.e. (abstr.) duty or (obj.) a usage or party
charge, keep, or to be kept, office, ordinace, safeguard, ward, watch.
see HEBREW mishmar