ἔτλην δ' οἷ' οὔ πώ τις ἐπιχθόνιος βροτὸς ἄλλος → I have endured as much as no other mortal
ἐφιάλτης, ἐπιάλτης, ἐπίαλος, ἠπιάλης, πνιγαλίων