T / terrĕus
adjective

terrĕus

fem. terrea · neut. terreum
of earth; earthen; a dam
of earth, earthen: terrea progenies duris caput extulit arvis, Verg. G. 2, 341 (al. ferrea, Rib.): fossa et terreus agger, a dam or dike of earth, Varr. R. R. 1, 14, 2: murus, id. L. L. 5, § 48 Müll.