The story
- Ancient Greek · derived fromφίλτρον
- Middle French · derived fromphiltre
- English todayphilter
From Middle French philtre, from Ancient Greek φίλτρον (phíltron), from φιλέω (philéō, “to love”). Doublet of philtrum.
First known use, by meaning
- from the 16th c. A kind of potion, charm, or drug; especially a love potion intended to make the drinker fall in love with the giver.
Etymology from Wiktionary, CC BY-SA 4.0.