ἀνάγκᾳ δ' οὐδὲ θεοὶ μάχονται → but not even gods fight necessity (Simonides, fr. 37.1.29)
adj.
P. κατάγειος, V. κατασκαφής, κατῶρυξ.
Nether: P. and V. χθόνιος (Plat. but rare P.), V. νέρτερος.
Subterranean passage: P. ὑπόνομος, ὁ; see underground.