Important derivatives are: night,nocturnal,equinox重要派生词为: night,nocturnal,equinoxNight.夜晚,晚上,黑暗.O-grade form*nok w-t- . O级形式*nok w-t- . night , from Old English niht , neaht , night, from Germanic *naht- . night , 源自 古英语 niht , neaht , 晚上, 源自 日耳曼语 *naht- . nocti- , ( nocturn ), nocturnal , equinox , from Latin nox (stem noct- ), night. nocti- , ( nocturn ), nocturnal , equinox , 源自 拉丁语 nox (字干 noct- ), 夜晚. noctuid , noctule , from Latin noctua , night owl. noctuid , noctule , 源自 拉丁语 noctua , 猫头鹰. nyctalopia , nyctitropism , from Greek nux (stem nukt- ), night. nyctalopia , nyctitropism , 源自 希腊语 nux (字干 nukt- ), 晚上. 派生>来源:Pokornynek ô(t)- 7'2. 波科尔尼nek ô(t)- 7'2.