Reconstructions

PS
*pVrpVr-, *parr/w- - kind of bird (SED II No. 180)
PS
*prr - to break, to crush (EDA P 139)
PS
*prs - to tear, to cut (EDA I)
PS
*prṣ̂ - to cut, to pierce, to incise (EDA I 307)
PS
*prṭ - to cut, to tear; to divide, to detach, to separate (EDA P 155)
PS
*parṯ- - non-digested food in the stomach (SED I No. 221; Kogan 2011: 227)
PS
*pry - to insult (EDA I 228)
PS
*psḥ/ḫ - to be lame; have a dislocated limb (SED I No. 54ᵥ; HALOT 947)
PS
*psps - to be spoiled (EDA I 401)
PS
*pšr - to tear loose, to melt (EDA I 452)
The meanings “to interpret, to explain”, broadly attested for this root throughout WS, must be due to Akkadian influence (Wagner 1966, 96), either immediately or with various intermediaries (Akkadian > Aramaic > Arabic > MSA)