فَزَعَةٌ
singular of فَزَعَات in the phrase فَزَعَاتُ الرُّوعِ [apparently meaning The fears, or frights, of the heart]. (TA. [The singular, as well as the plural, is there said to be thus, بِالتَّحْرِيك; but if the former be, as I think it is, a verbal noun un., it should by rule be
فَزْعَةٌ.])