In Greek mythology Minthe (or Mintha), was a naiad nymph associated with the river Cocytus. Minthe was loved by the underworld god, Hades. Minthe became concubind (a woman who lives with a man but has lower status than his wife or wives) of Hades. When Minthe claimed to be superior to Persephone (wife of Hades), Minthe was transformed into mint plant by Persephone or Demeter or according to other version was changed into dust, from which Hades caused the mint plant to grow.
In ancient Greece, mint was used in funeral rites and as an element in the fermented barley drink.