Where does “إسهال” come from?

إسهال (Arabic) comes from Persian اسهال, from Arabic إِسْهَال.

إسهال (Arabic): verbal noun of أَسْهَلَ; diarrhea

Definitions

Step	Language	Word	Meaning
1	Persian	اسهال	diarrhoea
2	Arabic	إِسْهَال	—

إسهال — Etymology, Origin & Word History | Etymology Explorer