dĭezeugmĕnon

i, n.
I. a separation of equal circumstances, Aquil. Rom. de Fig. 43, p. 187.—
II. Plur., musical t. t., = τετράχορδα διεζευγμένα, two tetrachords, forming a scale, Vitr. 5, 4, 5.
Lewis & Short
A Latin Dictionary, 1879
An open-access project