Latin word discernere comes from Latin cerno, Latin dis-

Detailed word origin of discernere

Dictionary entry	Language	Definition
cerno	Latin (lat)	I decide. I distinguish, discern, see. I perceive. I separate, sift.
dis-	Latin (lat)	Asunder, apart, in two. Reversal, removal. Utterly, exceedingly.
discerno	Latin (lat)	(figurative, based upon a thing's qualities) I distinguish between, discern.. (figuratively) I determine, settle.. (figuratively) I except, omit. I separate, set apart, divide, part.

Words with the same origin as discernere