From Mnashsheh; a Menashshite or descendant of Menashsheh -- of Manasseh, Manassites.
see HEBREW Mnashsheh
H4520. Menashshi
מְנַשִּׁי adjective, of a people of ׳מ 1; only with article ׳הַמְֿ, as collective noun, of tribe east of Jordan: Deuteronomy 4:43; 2 Kings 10:33; הַמְֿ ׳שֵׁבֶט Deuteronomy 29:7; 1 Chronicles 26:32.
מְנָת see מנה