Iakchos — the solemn name of the mystic Bacchus at Athens and Eleusis
Ancient Greek word, found 41 times in the texts on Socratos.
Herodotus, Histories 8.65.1: … ν κονιορτὸν ὅτεων κοτὲ εἴη ἀνθρώπων, καὶ πρόκατε φωνῆς ἀκούειν, καί οἱ φαίνεσθαι τὴν φωνὴν εἶναι τὸν μυστικὸν ἴακχον.
Euripides, Cyclops 69: ἴακχον ἴακχον ᾠδὰν
Euripides, Bacchae 725: Ἴακχον ἀθρόῳ στόματι τὸν Διὸς γόνον
All forms of Ἴακχος