LAT

Lewis Short

euphrŏne (noun F) = εὐφρόνη: (the propitious), euphemism for
* Night: ut euethen Graeci dicimus stultum, et noctem euphronen, et furias Eumenidas,Amm. 22, 8, 33; cf. Lidd. and Scott, s. v. εὐφρόνη.
Charlton T. Lewis, Charles Short, A Latin Dictionary
memory