giuthas

fir, Irish giumhas, Early Irish gius: *gis-usto, root gis; German gien, resinous wood, kien-baum, Scotch fir, kiefer (kien-föhre), pine, Anglo-Saxon cén, fir-wood, *ki-n (Schräder). Cf. root gis of gaison, Old Irish gae. Anglo-Saxon gyr, abies.