Ugaritic

škn - to stay (DUL 815)

Correct analysis of the relevant Ugaritic forms is sometimes difficult because of the graphical homonymy with the Š-stem forms of kwn ‘to be.’ Conversely, numerous examples parsed as belonging to the D-stem of škn with the meanings “to assign,” “to impose,” “to equip” in DUL may rather belong to kwn Š.

PCS
*škn - to stay, to reside (Hasselbach–Huehnergard 2007:420; Kogan 2015: 219)
The meaning “to stay” is a passive transformation of “to place,” which is probably original for *škn in PS