trentesimo

Adjective

 * 1)  thirtieth
 * (Source: https://www.ncregister.com/blog/our-lady-of-fatima-appeared-on-the-13th-of-each-month-why-the-13th)

Noun

 * 1)  thirtieth(May also mean "valley" or bottom of the valley just across the river with monteresti representing Mountain and trent representing river in epistemology.)