Learn how to say Fortuitous correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word fortuitous:
happening by chance rather than intention:
the similarity between the paintings may not be simply fortuitous
happening by a lucky chance; fortunate:
the ball went into the goal by a fortuitous ricochet
mid 17th century: from Latin fortuitus, from forte ‘by chance’, from fors ‘chance, luck’