pactum constitute pecuniae

/paektam konstat(y)uwtiy pakyuwniyiy/

In the Civil law, an agreement by which a person appointed to his creditor a certain day, or a certain time, at which he promised to pay; or term may be defined as simply an agreement by which a person promises a creditor to pay him. There is a striking conformity between the pactum constitutor pecuniae, as above defined, and our indebitatus assumpsit