Feodum simplex quia feodum idem est quod haereditas, et simplex idem est quod legitimum vel purum; et sic feodum simplex idem est quod haereditas legitima vel haereditas pura.
Latin. It is called a 'fee simple,' because 'fee' is the same as inheritance and 'simple' is the same as lawful or pure; and so 'fee simple' is the same as lawful inheritance or pure inheritance.