Ubunyu bukorwa mu gushyushya ubushishi bw'igiti cya pine hamwe n'ifu y'amakara, rimwe na rimwe n'ibuki. Ni bumwe mu bunyu bwa kera cyane bw'abantu — bwakoreshejwe kuva mu Gihe cyo Hagati cy'Amabuye mu gushyira ibikoresho by'amabuye ku mikondo y'ibiti, gufunga ibyombo by'ibishishwa, no gutuma ihuriro ritanyuzamo amazi. Amakara akora nk'ikuzuza kandi akomeza ubushishi bwacikaga vuba.