custumal
A survey of a medieval English manor, listing each tenant and the customs under which the tenancy was held.
historical
However, it may have been too unwieldy for a large and growing city, and its business therefore narrowed as the other courts developed. According to an early thirteenth-century custumal, there were three chief folkmoots a year: […]
Where it comes from
Borrowed from Late Latin custumale (adjective, neuter form of custumalis), used as an adjectival noun. Attested to 1576.
Adapted from the Wiktionary entry custumal (CC BY-SA 4.0).