From the same as gibbeach; baldness in the forehead; by analogy, a bare spot on the right side of cloth -- bald forehead, X without.
see HEBREW gibbeach
H1372. gabbachath
גַּבַּ֫חַת noun feminine bald forehead (Late Hebrew id., Aramaic ), only Leviticus 13 — absolute Leviticus 13:42 (P; asson. בַגַּבַּ֫חַת אוֺ בְּקָרַ֫חַת); גַּבַּחְתּוֺ 13:42; 13:43 (both P & "" קָרַחְתּוֺ); in all, as place of appearance of an eruption; 13:55 (P; "" id.) = in its front, i.e. front of garment.
גֹּבַי see below גבה.
סַלָּ֑י גַּבַּי גַּבַּי, see below גבב.