فيحتمل ما ذكرناه من انه حين تيمم وصلى كان في الوقت لا أنه حين أصاب الماء كان الوقت باقيا، ويجوز أن يكون المراد أنه أصاب الماء وهو في الوقت غير أنه لم يفرغ من الصلاة على تمامها وإنما صلى منها ركعة أو ركعتين فقال: مضت صلاته يعني ما صلى منها. فاما قوله( وليتطهر) يكون محمولا على أنه يتطهر لما يستأنف من صلاة اخرى.
This narration can be interpreted as follows: when the man performed tayammum and prayed, it was during the time (for the prayer), not that he found the water while the time was still remaining. It is also possible that the meaning is that he found water within the time, but he had not completed his prayer in full, having only prayed one or two units (rak‘ahs). Therefore, the phrase "His prayer is valid" refers to the portion of the prayer he completed. As for the statement "and let him purify himself," it may be understood to mean that he should purify himself for another prayer he intends to perform.
