Cui bono
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Black's (1891)
Ballentine's Law Dictionary
James A. Ballentine · 1916
For whose good.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
For whose good; for whose use or benefit. "Cui bono is ever of great weight in all agreements." Parker, C. J., 10 Mod. 135. Sometimes translated, for what good, for what useful purpose.
A Dictionary of Law
Henry Campbell Black · 1891
For whose good; for whose use or benelit. “Czuéi bono is ever of great Mi 10 Mod. 135. Sometimes translated, for whiat good, for what useful purpose. Cuicunqwe aliquis quid concedit concedere videtur et id, sine quo res ipsa esse non potuit. 11 Coke, 52. Whoever grants anything to another is supposed to grant that also without which the thing itself would be of no effect.