*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)

Hebrew

pēšär - meaning, explanation (HALOT 982)

likely an Aramaism, Wagner 1966, 96.

Official Aramaic

pšr - to exorcize, to break the bonds of enchantment; to settle an account, to pay (DNWSI 947)

Biblical Aramaic

pšr - to interpret (HALOT 1960)

Jewish Palestinian Aramaic

pšr - to interpret a dream; to settle an account, to pay; to tear loose; (itpe.) to come apart (DJPA 454)

Jewish Palestinian Aramaic

pšryn - lukewarm water (DJPA 454)

Jewish Babylonian Aramaic

pšr - to interpret a dream; to exorcize, to break the bonds of enchantment; to melt (DJBA 945)

Jewish Babylonian Aramaic

pāšōr - lukewarm, lukewarm water (DJBA 941)

Syriac

pšr - to digest, ripen; to liquefy; to interpret (LSyr. 614, SL 1263)

Mandaic

pšr - to exorcize, to break the bonds of enchantment; to melt, to dissolve, to loosen; to come apart, to separate, to tear loose (MD 383)

Arabic

fsr - to discover, to reveal, to render clear, to explain (Lane 2397)

Mehri

fōsər - to explain (ML 103)

Jibbali

effúsər - to explain (JL 63)