What does Theodora mean?
Feminine of Theodore, from Greek theos 'God' + doron 'gift', meaning 'gift of God'. Shares its elements with Dorothea in reversed order.
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.