Gender Feminine Usage Greek Mythology Scripts Δηϊάνειρα, Δῃάνειρα(Ancient Greek) Meaning & History From Greek δηιόω (deioo) meaning "to slay" and ἀνήρ (aner) meaning "man". In Greek mythology this was the name of the wife of Herakles. She unwittingly poisoned her husband by giving him the Shirt of Nessus.