Definition
To disable a person from taking advantage of, or enforcing, a legal right or claim against himself. The term describes the act by which a person renders himself incapable of asserting a right or pursuing an action that would otherwise be available to him — typically through some act, admission, or conduct of his own.
Common Confusion
Researchers should not conflate disalt with the broader concept of disability. Disability in historical legal usage often referred to an externally imposed legal incapacity — minority, coverture, mental incompetence. Disalt, by contrast, specifically implies self-induced disqualification: the person's own act, not an external status, is what bars them. This distinction maps imperfectly but usefully onto the modern difference between incapacity (status-based) and estoppel or waiver (conduct-based).
Why It Matters in Research
Disalt is a largely archaic term that has fallen entirely out of modern legal usage. Researchers encountering it in historical treatises, pleadings, or equity materials should understand it as a functional predecessor to concepts now handled under estoppel, waiver, and disability doctrine. The term appears in sources treating executors and contract law, which signals its relevance to questions of capacity and the personal bar a party might raise or suffer against himself.
The references in Rapalje & Lawrence point to three distinct bodies of law where the concept operated: (1) property and real property pleading (Coke on Littleton), (2) the law of executors and administrators (Williams on Executors), and (3) contract law (Chitty on Contracts). A researcher finding "disalt" in a historical document should trace the surrounding context to determine which of these frameworks governs the passage. The concept does not map cleanly onto a single modern doctrine — it spans what modern law distributes across estoppel, personal disability, waiver, and incapacity.
Because the term is rare even in 19th-century sources, its appearance in a historical document is itself a signal worth noting. It suggests the drafter was working within a specialized pleading or equity tradition and may indicate formal English common law influence rather than American practice.
Historical Dictionary Support
Rapalje & Lawrence provide the primary surviving dictionary treatment: "To disable a person. An action against himself." The entry is unusually terse, even by the compressed standards of 19th-century law dictionaries, and relies entirely on citation rather than explanation. The three supporting references — Coke on Littleton 264b, Williams on Executors, and Chitty on Contracts — each address contexts in which a party's own acts limit or extinguish a right otherwise available to him.
No other major historical dictionaries in the standard research corpus (Bouvier, Black, Burrill, Jacob) appear to carry a dedicated entry for "disalt," which suggests the term was a specialized term of art rather than a general term of common legal currency. Its absence from Bouvier and Black is notable; researchers should not assume the concept was widely theorized or debated — it was more likely used functionally in pleading and treatise contexts without formal doctrinal elaboration.
The Coke on Littleton reference places the concept in the feudal property tradition, where a tenant's own acts could defeat claims relating to tenure and seisin. The Williams on Executors reference suggests application to the personal representative context, where an executor's conduct might bar him from asserting certain claims on behalf of the estate. The Chitty on Contracts reference connects the term to contractual incapacity or self-imposed bar in the obligations context.