ف ر ثf-r-th
(س) فَرِثَ يَفْرَثُ فَرَثًاfaritha yafrathu farathan: to be sated with food. (This verb is not used in the Quran.)
فَرْثٌfarth (noun (ism dhāt)): dung, while it remains in the stomach. ﴿مِنْۢ بَيْنِ فَرْثٍ وَّدَمٍ لَّبَنًا خَالِصًا﴾ (An-Naḥl 16:66). Only once in the Quran.