ἔτλην δ' οἷ' οὔ πώ τις ἐπιχθόνιος βροτὸς ἄλλος → I have endured as much as no other mortal
compertē: adv., v. comperio.
compertē (compertus), de bonne source : Gell. 1, 22, 9 || compertius Gell. 1, 11, 12.