nudum pactum
/ˌnjuːd(ə)m ˈpakt(ə)m/Law
noun
An unenforceable agreement; specifically a contract which is void through lack of consideration.
Origin
Early 17th century; earliest use found in John Norden (c1547–1625), cartographer. From classical Latin nūdum pactum a contract without consideration (200 a.d.) from nūdum, neuter singular of nūdus + pactum.