Italian word discreto comes from Latin cerno, and later Latin discretus (Differentiated. Discrete. Separate.)

Detailed word origin of discreto

Dictionary entry	Language	Definition
cerno	Latin (lat)	I decide. I distinguish, discern, see. I perceive. I separate, sift.
discernere	Latin (lat)
discretus	Latin (lat)	Differentiated. Discrete. Separate.
discreto	Italian (ita)	Discreet. Discrete. Low-key. Reasonable.

Words with the same origin as discreto