disc▪ Ehret1995#431: from a bi-consonantal »pre-Proto-Semitic« (pPS, i.e. preSem) root *ḲṬ- ‘to cut’, from AfrAs *k'âť- ‘to cut’. – Other extensions from the same pre-Sem root: ↗QṬB, ↗qaṭaʕa, ↗qaṭala.
▪ Cf. also *QṢ-, unextended form ↗qaṣṣa ‘to cut off, clip (with scissors)’, and extensions like ↗qaṣaba ‘to cut, cut off, dissect, cut up, carve up (a slaughtered animal)’, ↗qaṣura ‘to be(come) short(er)’, ↗qaṣaʕa ‘to grind, crush, bruise, squash, mash, (Ehret1989: to kill a louse between the nails, i.e. to pinch off)’, ↗qaṣala ‘to cut off, mow off’, ↗qaṣama ‘to break, shatter (Ehret1989: break entirely, fragment, piece)’.