Ὅμηρον ἐξ Ὁμήρου σαφηνίζειν → explain Homer from Homer, explain Homer with Homer
ῥέγκω, ῥέγχω, ἀπορέγχω, ῥοχαλίζω, ῥογχαλίζω, ἀσθμαίνω