H7256. ribbea
[רִבֵּעַ] adjective pertaining to the fourth (in a series); — plural in phrase וְעַלרִֿבֵּעִים עַלֹשִֿׁלֵּשִׁים i.e. those belonging to the 3rd and 4th Generations, [Exod 20:5] (E) = [Deut 5:9]; [Exod 34:17] (J), [Num 14:18] (JE), compare 1 above