ἐκ Χάεος δ' Ἔρεβός τε μέλαινά τε Νὺξ ἐγένοντο... (Hesiod's Theogony 123) → From Chasm, Erebos and black Night came to be...
hypŏcausis: is, f., = ὑπόκαυσις>,I a furnace that heats from below, Vitr. 5, 10, 1 sqq.