PS

*ḳṣd - to cut (Naumkin et al. 2015b:51)

Akkadian
kuṣṣudu - a cripple (CAD K 596; AHw. 515)

Probably related.

Arabic
qṣd - to cut a stick (Lane 2531)
Mehri
ḳəṣáwd - to chop (ML 239)
Jibbali
ḳɔ́ṣɔ́d - to chop (JL 151)
Soqotri