Italian word porre comes from Latin sino, Latin po- (Off, away.), Proto-Italic *posnō

Detailed word origin of porre

Dictionary entry	Language	Definition
sino	Latin (lat)	(with accusative of person and infinitive) I let, permit, suffer.. I put, lay, set down.
po-	Latin (lat)	Off, away.
*posnō	Proto-Italic (itc-pro)
positus	Latin (lat)
porre	Italian (ita)	(transitive) to put, to place.

Words with the same origin as porre