Custagium
Defined in 3 dictionaries — Ballentine's (1916), Stimson (1881), Burrill (1850)
Ballentine's Law Dictionary
James A. Ballentine · 1916
Costs.
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
Frederic Jesup Stimson · 1881
custagia, Custantia, I. Cost; costs.
A New Law Dictionary and Glossary
Alexander M. Burrill · 1850
[pl. CUSTAGIA; from Fr. coust, coustange.] In old English law. Cost or costs; expenses of judicial proceedings. Spelman. Sometimes translated costages.