firlot
A measure of capacity, once used for corn etc, equal to four pecks.
[T]he valuation of lands, tenor of leaſes, the rents, the entails, rent charges, life rents, and payments for or out of land revenue, are all reckoned in Scotland by the chalder, boll, firlot, and lippy, and cannot be altered; [...]
Where it comes from
Reduced form of Middle English firthelote (attested 1264), equivalent to ferthe (“fouth”) + lot (“portion, share”).
Adapted from the Wiktionary entry firlot (CC BY-SA 4.0).