Latin word secernere comes from Latin cerno, Latin se- (Separately, astray. Without.)

Detailed word origin of secernere

Dictionary entry	Language	Definition
cerno	Latin (lat)	I decide. I distinguish, discern, see. I perceive. I separate, sift.
se-	Latin (lat)	Separately, astray. Without.
secretum	Latin (lat)

Words with the same origin as secernere