Mehri

nəḥāg - to dance, to be at leisure, to play (ML 291)

Proto-MSA
*nḥg - to play, to dance (Kogan 2015:564)
The origin of Proto-MSA *nḥg ‘to play, to dance’ is uncertain. Of some interest may be Akk. nagû (negû) ‘to sing joyously’ (CAD N1 123, AHw. 712). (Kogan 2015:564)