Ὅμηρον ἐξ Ὁμήρου σαφηνίζειν → explain Homer from Homer, explain Homer with Homer
P. and V. ἐρῆμος.
pathless: P. ἀτριβής, P. and V. ἄβατος, V. ἄστιπτος, ἀστιβής.