Lewis & Short

emphyteusis, ĕos, f., = ἐμφύτευσις (lit., an implanting), in jurid. lang., a permanent tenure of land upon condition of cultivating it properly, and paying a stipulated rent, a sort of fee-farm or copyhold, Cod. Just. 4, 66, 1; Just. Inst. 3, 25, 3; cf. Rein’s Privatr. p. 168 sq.; Dict. of Antiquities, s. v. emphyteusis.