emphўteusis

ĕos, f.
I. 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.
Lewis & Short
A Latin Dictionary, 1879
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