فشأ1 فَشَأَ, (O, K,) aor. ـَ (K,) [inf. n. فَشْءٌ;] as also ↓ افشأ; He magnified himself; or behaved proudly, or haughtily: (O, K:) [or he gloried, or boasted: for] الفَشْءُ is from الفَخْرُ, (Ibn-Buzurj, O,) [or] syn. with الفَخْرُ. (K.) 4 أَفْشَاَ see what here precedes.5 تفشّأ It (a thing) spread. (S, O.) One says of a disease, تفشّأبِهِمْ, (Az, S, O,) or فِيهِمْ, (K,) [and تفشّى, and تفسّأ,] It spread among them: (Az, S, O, K:) and تفشّأهم it became common, or general, or universal, among them. (O.) A2: تفشّأ بِهِ He mocked at him, or derided him. (O, K.)