Debet Et Solet
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
(Lat He owes and is used to.) Where a man sues in a writ of right or to recover any right of which he is for the first time disseised, as of a suit at a mlll or in case of a writ of quOd permittat, he brings Ms writ in the debet et solet.
Reg. Orig. 144a; Fitzh. Nat. Brev. 122, M.