dusk
1. dusk \'d*sk\ aj [ME dosk, alter. of OE dox; akin to L fuscus dark brown, OE (Xdunn dun, du-st dust : DUSKY 2. dusk vi : to become dark to make dark or gloomy 3. dusk n 1: the darker part of twilight esp. at night 2: GLOOM
Webster's English Dictionary1. dusk \'d*sk\ aj [ME dosk, alter. of OE dox; akin to L fuscus dark brown, OE (Xdunn dun, du-st dust : DUSKY 2. dusk vi : to become dark to make dark or gloomy 3. dusk n 1: the darker part of twilight esp. at night 2: GLOOM