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 Charis mean?
From Greek 'charis' (χάρις) meaning grace, kindness, or charm. In Greek myth the Charites (Graces) were goddesses of grace and beauty; the root also underlies the word charisma.