The Proto-Anatolian word *ne(ǵ)o-
Word *ne(ǵ)o-
Meaning sibling, sister, brother
See also Hittite: ne-ga-an ‘sister’
Hittite: ne-ek-na ‘brother’
C. Luwian: na-a-na- ‘brother’
Lycian: nẽne ‘brother’

Comments
Non-IE

Other words that might be of interest
*Honno- ‘mother’, *duegtr ‘daughter’, *Honsu ‘descendant’