Wuḍūʾ [ablution] is the purification of the body made before ṣalāt [prayer]. It is a ritual cleansing that is an important part of purity and cleanliness in Islam before performing worship.
Wuḍūʾby itself is always a recommendable act in Islamic rituals, but it becomes obligatory in certain circumstances. One of such circumstances is the daily ritual prayers. […]