Akkadian

šapāṭu - to issue orders, to exercise authority (CAD Š₁ 450, AHw. 1172)

A WS loanword.
Also šāpiṭu ‘district governor; judge’ (CAD Š₁ 459, AHw. 1173); šipṭu ‘judgment, verdict’ (CAD Š₃ 91, AHw. 1247).

PCS
*ṯpṭ - to pass judgment (Kogan 2015: 202)