Old Aramaic

prš - horseman, cavalry-man (DNWSI 945)

HapLeg in KAI 202B 2 (lrkb [w]lprš, context fragmentary)

PWS

*paraš- - horse (SED II No. 182; Kogan 2011: 206)

Total absence of *paraš- from Ugaritic is noteworthy and probably not accidental