Definition
In old English law, efesn was the payment made to the owner of a woodland estate in exchange for the privilege of grazing or feeding swine beneath the oak and beech trees of that estate. The pigs fed on mast — the fallen acorns and beechnuts — making efesn a form of compensation tied to the agrarian practice known as pannage. It represents the consideration owed to the lord or proprietor of a domain for permitting another's animals to exploit the natural forage of his woods.
Common Confusion
Efesn is closely associated with, but distinct from, pannage itself. Pannage refers to the right or custom of feeding swine in a forest, as well as to the payment made for that right more broadly. Efesn is the specific remuneration owed to the private domain proprietor — not necessarily a royal forest — for the same privilege on his lands. Researchers should not treat the two as interchangeable without verifying which institution (private estate or royal/common forest) a source is addressing.
Why It Matters in Research
Efesn appears almost exclusively in sources dealing with medieval English agrarian tenure, manorial custom, and forest law. It is rare enough that its absence from most secondary legal literature is itself significant: a researcher encountering the term in a primary or historical source should not expect modern dictionaries or treatises on property law to provide guidance.
The term belongs to a cluster of archaic forest and woodland rights — including pannage, mast, and estovers — that defined the relationship between landholders and those who depended on forest resources. When tracing land use rights, manorial obligations, or the history of common rights in English law, efesn may surface in plea rolls, manor court records, or early treatises without elaboration, on the assumption that readers of the period understood the custom.
The Law Mind corpus researcher should be alert to spelling variations. Old English and early legal Latin sources were inconsistent in rendering such terms, and variant spellings may appear without cross-reference. The entry in Black's second edition supplemental material reproduces the core definition without expansion, signaling that even by the time of that edition the term was understood as a historical artifact requiring no further doctrinal development.
There is no modern legal doctrine that directly continues efesn. Its research value is primarily historical and contextual: understanding the economic structure of woodland tenure in medieval England.
Historical Dictionary Support
Both Black's Law Dictionary entries are in substantial agreement. Each defines efesn as remuneration to a domain proprietor for the privilege of feeding swine under oaks and beeches. Neither source elaborates on the mechanism of payment, the frequency of the obligation, or the legal consequences of nonpayment — gaps that reflect the term's status as a historical curiosity rather than a living legal concept by the time these dictionaries were compiled.
Neither edition connects efesn to specific statutory authority or case law, which is consistent with the term's roots in manorial custom rather than in legislation or common law doctrine developed through litigation. What the historical dictionaries miss entirely is the broader agrarian and ecological context: efesn was part of a coherent system of regulated access to forest resources that structured rural English society for centuries. Researchers seeking that context must look beyond the dictionary entries to sources on manorial law and forest custom.
Jurisdictional Note
Efesn is a term of old English law with no recognized counterpart in other common law jurisdictions. It has no operative legal meaning in modern English, American, or Commonwealth law. Its relevance is confined to historical legal research concerning medieval and early modern English land tenure.