فَرْتَنَ, (T, Ḳ, TA,) inf. n. فَرْتَنَةٌ, (T, TA,) signifies شَقَّقَ كَلَامَهُ وَٱهْتَمَشَ فِيهِ [app. meaning He uttered, or endeavoured with repeated efforts to utter, his speech in the best manner, and proceeded slowly therein]: (T, Ḳ,* TA:) in the copies of the Ḳ, اهتمس, with the unpointed س, is put for اهتمش, which is the right reading. (TA.)

And He went along with short steps. (Ḳ.)

And He (a man) became angry, and in a state of excitement: from what here follows [and therefore, app., post-classical]. (TA.)

فُرْتُنَةٌ, with damm, [meaning with two dammehs,] A state of commotion of the sea arising from the violence of the winds: app. post-classical. (TA.)

فَرْتَنَا, in which the ن is held by some to be radical, and by others to be augmentative, see in art. فرت.