lineal
lin.eal \'lin-e--*l\ \.lin-e--'al-*t-e-\ \'lin-e--*-le-\ aj 1: LINEAR 2: composed of or arranged in lines 3a: consisting of or being in a direct male or female line of ancestry 3b: relating to or derived from ancestors : HEREDITARY 3c: descended in a direct line 4a: belonging to one lineage 4b: of, relating to, or dealing with a lineage 5: of or relating to the line or officers of the line in an army or navy - lin.eal.i.ty n