56%RatingSave Gender Masculine Usage Greek Mythology (Latinized) Scripts Ἴακχος(Ancient Greek) Meaning & History From Greek Ἴακχος (Iakchos), derived from ἰάχω (iacho) meaning "to shout". This was the name of an obscure Greek god worshipped in the Eleusinian mysteries and later identified with Dionysos. Categories deities, noise