*šgˁ - to be rabid, mad (SED I No. 67ᵥ; Kogan 2011: 322)

Akkadian

šegû - to rage, to be rabid (CAD Š₂ 260, AHw. 1208)

Hebrew

šgˁ - (pu., hitp.) to behave like a madman (HALOT 1415)

Jewish Palestinian Aramaic

šgˁ - (pa.) to become insane (JPA 537)

Arabic

ˀašǯaˁ - mad (BK 1 1194, Lane 1509)

Amharic

sägga - to be or become afraid, be apprehensive, fear, be anxious, fearful, to worry (AED 578)

May be related with a plausible meaning shift.