PS

*yšr - be straight (HALOT 449)

Akkadian
ešēru - to be in order; to straighten up; to prosper (CAD E 352; AHw. 254)
Ebla
i-sa-lum /yišarum/ - straight, right (VE 1119, Kogan–Krebernik 2021b: 683)
Ugaritic
yšr - uprightness, lawfulness (DUL 973)
Hebrew
yšr - be straight, smooth, right (HALOT 449)
Arabic
ysr - to be gentle, easy (Lane 2976)
Sabaic
hys₁r - to send, to despatch (SD 169)