PS

*ˁms - to be massive, compact, heavy (Kogan 2015: 284)

Level?

Syriac
ˁms - (etp.) to be drawn together, pressed together (LSyr. 530, SL 1112)
Arabic
ˁms - to be hard, strong (LA 6 177)
Tigre
ˁamsä - to become pregnant (WTS 456)
can also be considered a semantic development from “to carry” or “to be loaded with” (Leslau 1958: 40, Buck 1949: 283‒284). In this case, the meaning “to carry” may be not exclusively Canaanite.