PWS

*ˁgm - to block, to stop (LS 297)

Arabic
ˁǯm - to have an impediment in one’s speech; (IV) to lock a door (Lane 1966)
Mehri
ˀáygəm - to be dumb; (Gt) to be blocked (ML 160)

Gt ˁatgəm.

Jibbali
ˁégəm - to be dumb; (D) to block (JL 9)
Soqotri
ˁégom - to shut (LS 297; Bulakh et al. 2021:241)