فت

بَيْنَهُمْ فَتَافِتُ ذ Between them is secret speaking, [or between them are secret speakings, for فَتَافِتُ is app. pl. of the inf. n. فَتْفَتَةٌ used as a simple subst., (see R. Q. 1,)] not heard nor understood [ by others ]. (O, K.)