Proto-MSA

*nwp - to make a sign (Kogan 2015:566)

PWS
*nwp - to swing (Kogan 2015:566)

The meaning of Akk. nâpu, translated as ‘schwanken’ in AHw. 742, is highly uncertain (cf. CAD N₁ 327) which makes its comparison rather problematic (Kogan 2015:566).

Mehri
hə-nwūf - to beckon, to make a sign (ML 306)
Jibbali
eníf - to beckon, to make a sign (JL 198)