What does Eleni mean?
Modern Greek form of Helen/Helene. The etymology is uncertain: most often linked to Greek 'hele' ('torch') or a root meaning 'shine/bright', with some scholars instead proposing a connection to the moon or a pre-Greek word of unknown meaning. The 'torch/bright light' reading is traditional but not settled.
What does Persephone mean?
Persephone is the Greek goddess of spring and the underworld; the meaning of her name is debated.