Syriac

ḳṣp - to be(come) angry (LSyr. 687, SL 1397)

PNWS
*ḳṣp - to be angry (Kogan 2015:237)
hardly any connection between this root and PWS *ḳṣp ‘to break’ or Akk. kaṣāpu ‘to account?, to wish?, to plan?’. Cf. perhaps Arb raˁdun qāṣifun - šadīdu ṣ-ṣawti