Etymology of the Greek word philtron (φίλτρον)
the Greek word philtron, φίλτρον (love potion, anything that awakens love)
derived from the Greek word philein
derived from the Greek word philos, φίλος (loving; actively, fond; friendly (still as a noun, an associate, neighbor, etc.))
derived from the Greek word phileo, φιλέω (to be a friend to (fond of (an individual or an object)); have affection for ; specially, to kiss (as a mark of tenderness))