Soqotri

entóuḥo - to quarrel (LS 261, CSOL I 630, CSOL II 557)

Proto-MSA
*nwḥ - to fight (reflexive stem) (Kogan 2015:566)
The origin of Proto-MSA *nwḥ (reflexive stem) ‘to fight’ is uncertain. Note Arb. nwḥ (III, VI) ‘to face each other (mountains, winds)’ (Lane 2863-2864). (Kogan 2015:566)