Do Ut Des
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
Lat. I give that you may give; L give [you] that you may give [me.] A formula in the civil law, constituting a general division under which those contracts (termed “innominate”) were given by the other.
Dig. 19, 4; Id. 19, 5, 5; 2 Bl. Comm, 444.