Proto-MSA

*glw - to be ill (Kogan 2015:554)

The origin of Proto-MSA *glw ‘to be ilľ is unknown. Assuming that the original meaning of the root is “to be hot”, one might tentatively compare Arb. ǯlw ‘to be clear, bright’ (Kogan 2015:554)

Mehri
gēləw - to be ill, fevered (ML 119)
Jibbali
gíẑi - to be ill, fevered (ML 119)
Soqotri
góḷe - disease (LS 109; CSOL II 463; Bulakh 2022:200)

In the expression bismiľľa wa-seľhebéten ˁan góḷe ‘I seek refuge in God from this trouble’ (CSOL II 25:8).