Baretti: A dictionary of the English and Italian languages
Bisogná-re, v. n. imp.
1. must, to be necessary, requisite, needful. Bisogna ch'io vada, I must go. Bisogna imparare questo, you must learn this. Mi bisognò partire, I was obliged to go; 2. to be useful, convenient; V. convenire; 3. to wait. V. abbisognare; adj. Bisogná-nte; adv.Bisogná-nteménte .
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English