Combustio
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Burning.
In old English law. The punishment inflicted upon apostates.
— Combustio domornm. Houseburning; arson. 4 Bl. Comm. 272.
— Combnstio pecuniæ. Burning of money; the ancient method of testing mixed and corrupt money, paid into the exchequer, by melting it down.