What is the term for the ritual washing performed before Salah?

Explanation

– Wudu is the ritual ablution performed before Salah, involving washing specific parts of the body such as the hands, face, arms, and feet in a prescribed manner.
– It is a prerequisite for the validity of prayer and other acts of worship requiring purity.
– For exams, note that Tayammum, dry ablution using clean earth or sand, is permitted as a substitute when water is unavailable or harmful to use.