Ramadan stems from an Arabic word ramad which means what?

Ramadan stems from an Arabic word "ramad" which means what?

Ramadan stems from an Arabic word "ramad" which means what?

• Extreme heat
• Hunger
• Fast
• Drink

ANSWER 

      (1)

• Extreme heat

source https://sportsnewsstar.blogspot.com/2022/04/ramadan-stems-from-arabic-word-ramad.html