أَتَيْنَا فِى العُصَيْرِ المُرْهِقَةِ

(tropical:) [apparently We came when the time of the afternoon-prayer was drawing near; العُصَيْر being the diminutive of العَصْرُ: see the phrase أَرْهَقَكُمُ اللَّيْلُ فَأَسْرِعُوا, near the end of the first paragraph]. (TA.)