Biblical Aramaic

mәpōrāš - translated section by section (HALOT 1960)

According to Zimmern 1920, 434, the widespread meaning “to understand; to give a clear decision, to explain” for *p-r-š in Aramaic (and Hebrew) may be due to the influence of Akk. parāsu

PS
*prs - to tear, to cut (EDA I)