mūtŭātĭo, ōnis, f. [mutuor],
a borrowing (class.), Cic. Tusc. 1, 42, 100: cum multos minutis mutuationibus defraudāsset, id. Fl. 20, 47: translationes quasi mutuationes sunt, id. de Or. 3, 38, 156.
mūtuātiō ōnis, f mutuor, a borrowing . ...
An Elementary Latin Dictionary