nefas. n. indecl.
不中聽者。非理。不可者。惡哉。— est dictu 不可言。Corrigere — est 難改。Per fas et nefas 百計圖之。不問是非。
Joaquim Affonso Gonçalves, Lexicon Magnum Latino-Sinicum, 3rd edition (Peking: Typis Congregationis Missionis, 1936 [1st ed. Macau, 1841]). Digitized at Dickinson College, 2023.