wife of Hades, queen of the netherworld, identified with Kore, daughter of Zeus and Demeter, from Greek Persephone. De Vaan writes that "The name was always considered obscure" until a thorough investigation published in 2006 reported that the original form was persophatta, "as found in eight attestations, seven of which are on 5th c. BC Attic vases (by seven different painters)." He analyzes it as *perso-, cognate with Sanskrit parsa- "sheaf of corn," + a second element from the PIE root *gwhen- "to hit, strike" (see bane) thus "a female thresher of corn."

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Definitions of Persephone from WordNet

Persephone (n.)
(Greek mythology) daughter of Zeus and Demeter; made queen of the underworld by Pluto in ancient mythology; identified with Roman Proserpina;
Synonyms: Despoina / Kore / Cora