The Proto-Indo-European word *nekʷt-
Word *nekʷt-
Meaning night
See also Tocharian A: nokte ‘night, at night’
Hittite: ne-ku-ut-ta ‘twilight’
Synonyms *nokʷt- (nom. nokʷt-s, gen. nekʷt-s), *kʷsep-

Comments
Mallory J.P. and Adams D. (2006)