Definition
A Latin term with two related but distinct legal uses, both rooted in the concept of payment or the capacity to pay.
1. As a gerund or verbal form: "Paying." Used in old English conveyances as the operative word in a clause reserving a rent. A grantor reserving rent from land would employ solvendo to introduce the obligation — functioning as a term of art signaling that a rent charge or service was being retained rather than conveyed away.
2. In the civil law: Solvent; possessed of sufficient means to pay a debt in full. The civilian maxim Solvendo esse nemo intelligitur nisi qui solidum potest solvere — no one is understood to be solvent except one who can pay the whole — captures the strict sense: solvency is not partial capacity but complete capacity to discharge an obligation in full.
Common Confusion
The two senses of solvendo can mislead researchers who encounter the term in unfamiliar contexts. In old conveyancing instruments, solvendo is active and transitive — it names the act of paying a reserved rent. In civil law materials, solvendo esse is a condition — the state of being able to pay. A researcher encountering solvendo in a deed is reading a reservation clause; a researcher encountering it in a commentary on obligations or insolvency proceedings is reading a characterization of financial capacity. These are related etymologically but function differently in their respective sources.
Why It Matters in Research
Researchers working with pre-modern English conveyances should be alert to solvendo as a marker of a rent reservation. Coke on Littleton (47a), cited by all three source dictionaries, is the authoritative locus for its conveyancing use, and a researcher tracing the history of rent charges or the interpretation of old fee farm grants will likely need to consult that passage directly.
For researchers in civil law traditions — including those working with Louisiana materials, Roman law sources, or comparative law contexts — the solvendo esse formulation connects directly to insolvency doctrine and the maxim governing what it means to be capable of satisfying an obligation. The maxim has practical significance: it forecloses arguments that a debtor who can pay part of a debt is "solvent" for legal purposes.
The term is largely absent from modern American common law practice as a standalone operative word. Its appearance in a contemporary document is almost certainly a quotation, a term of art transplanted from historical source material, or a civil law context. Researchers who encounter it in 19th-century American cases should first determine whether the court is applying English conveyancing tradition or civilian doctrine before drawing any interpretive conclusions.
Historical Dictionary Support
Black's Law Dictionary (both editions) and Burrill's Law Dictionary agree on the conveyancing use and cite Co. Litt. 47a uniformly. Burrill goes further than Black's by supplying the civilian meaning and the full Latin maxim, making Burrill the more complete source for this term. Black's entries are essentially identical across the two editions and add nothing beyond what Burrill provides — a common pattern for Latin terms of limited modern application. Researchers relying solely on Black's would miss the civil law dimension of the term entirely.
None of the historical dictionaries develop the insolvency implications of the civilian maxim beyond the bare statement. For fuller treatment of solvendo esse in the civilian tradition, researchers should look to Roman law commentaries and civil law treatises rather than the English-tradition dictionaries.
Jurisdictional Note
Louisiana courts and scholars working in mixed civil-common law jurisdictions are more likely to encounter the civilian sense of solvendo than courts in other American jurisdictions. The conveyancing use is essentially obsolete in modern practice everywhere but may appear in historical title chains, particularly in jurisdictions with strong English land law traditions.