Sunt verba voces quibus hunc lenire dolorem possis, magnam morbi deponere partem → Words will avail the wretched mind to ease and much abate the dismal black disease.
P. κατάγειος, V. κατασκαφής, κατῶρυξ.
nether: P. and V. χθόνιος (Plato but rare P.), V. νέρτερος.
subterranean passage: P. ὑπόνομος, ὁ; see underground.