ἐκ Χάεος δ' Ἔρεβός τε μέλαινά τε Νὺξ ἐγένοντο... (Hesiod's Theogony 123) → From Chasm, Erebos and black Night came to be...
rĭgĭdĭtas: ātis, f. rigidus,
I stiffness, hardness of wood, Vitr. 2, 9.
rĭgĭdĭtās, ātis, f., rigidité, inflexibilité [du bois]: Vitr. Arch. 2, 9, 9.