PCS

*šwy - to be equal (Kogan 2015: 199)

possibly related are Min s₁yy - ‘terrace of a house’ and Qat s₁wy ‘to do, make’

Akkadian

sawû - desert, wasteland (CAD S 202, AHw. 1033)

borrowed from CS

Hebrew

šwy - to be equal (HALOT 1435)

Syriac

šwy - to be equal (LSyr. 760, SL 1524)

Arabic

swy - to be equal, even, flat, plain (Lane 1476)

Also sawāˀ- ‘equality, evenness’ (Lane 1479). II - ‘to make in a suitable manner’, represented in modern Arabic dialects, such as Yemeni sawwa (Piamenta 238), sawā ‘well!, OK!, good!, right!’ (Piamenta 240).

Mehri

əstūwi - to be level (ML 354)

Borrowed from Arabic.

Mehri

sōwi - to level (ML 354)

Borrowed from Arabic.

Jibbali

essói - to act justly (JL 233)

Borrowed from Arabic.

Jibbali

siɛˀ - equal (JL 233)

Borrowed from Arabic.

Jibbali

s̃sē - to be equal (JL 233)

Borrowed from Arabic.