fortuītō adv.
forte, by chance, accidentally, fortuitously, casually : quid casu et fortuito futurum sit: non enim temere nec fortuito creati sumus: non fortuito aut sine consilio, Cs.
fortŭī̆tō and fortŭī̆tū, advv. , v. fortuitus fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.