philter

/หˆfษชltษš/
noun
  1. 1

    A kind of potion, charm, or drug; especially love potion intended to make the drinker fall in love with the giver.

verb
  1. 1

    To impregnate or mix with a love potion.

    โ€œto philter a draughtโ€

  2. 2

    To charm to love; to excite to love or sexual desire by a potion.

Source: https://en.wiktionary.org/wiki/philter