It is said: fitahah and futahah, with a kasrah on the fa and with a dammah upon it. And I said to a man (fat-hahtu al-rajul): meaning I brought him to arbitration.
يُقَال: فِتاحة وفُتاحة بِكَسْر الْفَاء وَبِضَمِّهَا، وفَاتحت الرجل: إِذا حاكمته.