Definition
Lendi is a Roman civil law servitude prohibiting a landowner from building a structure higher than a specified height. The right runs with the benefited property: the holder of the lendi may prevent the neighboring landowner from raising or enlarging their building beyond the established limit. As a predial servitude, lendi attaches to land rather than to persons — it is not a personal privilege but a burden on one parcel for the benefit of an adjacent parcel.
The servitude operates by restriction rather than by affirmative grant: the burdened neighbor is not required to do anything but is forbidden from doing something (building upward) that would otherwise be lawful. In this respect lendi belongs to the broader family of negative servitudes in Roman law.
Why It Matters in Research
Lendi appears almost exclusively in sources rooted in Roman civil law and is rarely encountered in English common law materials. Researchers working in civilian jurisdictions — Louisiana, Quebec, South Africa, Scotland, or historical Spanish and French colonial law — are more likely to encounter this term than those working in standard American common law sources.
The principal research trap is terminological: modern equivalents of this concept in American practice typically appear under different labels — height restrictions, restrictive covenants, light and air easements, or negative easements — none of which will be indexed under "lendi." A researcher who encounters lendi in a historical civil law text and then searches for it in common law digests or American secondary sources will find almost nothing. The concept, however, has living analogues; the research path simply requires a translation of the concept into jurisdiction-appropriate vocabulary.
For corpus researchers: lendi surfaces most reliably in Roman law treatises, civil law digests, and institutional writers such as Justinian's Institutes (the Black's citation to Inst. 2, 3, 4 is the primary anchor). In any Law Mind corpus materials touching servitudes or predial rights under civilian systems, lendi may appear alongside related Roman servitudes such as altius non tollendi (the more commonly cited Latin formulation of the same right) and oneris ferendi.
Note that Black's entry is sparse even by historical dictionary standards. Researchers should not assume that the absence of elaboration in American legal dictionaries reflects the absence of developed doctrine — the doctrine is simply located elsewhere, in civilian sources.
Historical Dictionary Support
Black's Law Dictionary provides the only entry among the shelf sources and keeps it brief: lendi is defined as the servitude of not building higher, described as a right preventing a neighbor from raising their structure. The citation to Justinian's Institutes (2, 3, 4) is the entry's substantive backbone.
What the historical dictionaries do not provide: any discussion of how the servitude was created, transferred, extinguished, or enforced; no treatment of remedies available to the holder; and no engagement with how the concept translated (or failed to translate) into post-Roman civilian systems. The entry reads as a glossary note rather than a developed legal definition.
For fuller doctrine, researchers must go directly to the Institutes and to civilian commentators on predial servitudes. The better-known Latin formulation — servitus altius non tollendi — appears more frequently in treatise literature and should be treated as the primary search term when working through Roman law sources.
Jurisdictional Note
Lendi as a named servitude is a Roman law concept with no recognized independent existence in American common law. In civilian jurisdictions that inherited Roman property categories, the underlying right may be recognized under local servitude law, though typically under different terminology. Louisiana's Civil Code treatment of predial servitudes is the most accessible American entry point for civilian servitude doctrine.