Where does “simum” come from?

simum (Portuguese) comes from French simoun, from Arabic سَمُوم, from Arabic سَمَّ — to poison.

simum (Portuguese): simoom

Definitions

Step	Language	Word	Meaning
1	French	simoun	simoom
2	Arabic	سَمُوم	hot wind
3	Arabic	سَمَّ	to poison

simum — Etymology, Origin & Word History | Etymology Explorer