Etimología de Eskoriatza Curiosity · Eskoriatza, Debagoiena / Alto Deba, Gipuzkoa The name may derive from the Basque 'eskoria', black soil rich in humus, although another theory links it to the medieval fortress of Aitzorrotz, documented as 'Axcorrocia'. Photo: Zarateman (CC0) What to see and do in Eskoriatza