(ف) طَغَيٰ يَطْغَيٰ طُغْيَانًا وَطَغْوًيٰṭaghā yaṭghā ṭughyānan wa-ṭaghwanyā: to exceed the bounds, to rebel; the original sense is of water overflowing its banks (طَغَي الْمَاءُṭaghā al-māʾ).
طَاغٍṭāgh pl. طَاغِيْنṭāghīn, طَاغِيَةṭāghiyah (a rebellion that brings destruction, or a rebellious person), طَاغُوْتṭāghūt (pattern فَعَلُوْتfaʿalūt, intensive form, ṣīghat al-mubālaghah; everything that is obeyed besides God — used for singular and plural alike).
Form IV (ifʿāl) أَطْغَيٰaṭghā: to make rebellious. 39 times in the Quran: ﴿اذْهَبْ إِلٰى فِرْعَوْنَ إِنَّهُۥ طَغٰى﴾ (Ṭā Hā 20:24), ﴿إِنَّا لَمَّا طَغَي الْمَاءُ حَمَلْنَاكُمْ فِي الْجَارِيَةِ﴾ (Al-Ḥāqqah 69:11).