Mehri

gēləw - to be ill, fevered (ML 119)

Proto-MSA
*glw - to be ill (Kogan 2015:554)
The origin of Proto-MSA *glw ‘to be ill’ 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)