What does tri- mean in Latin?

tri-, a prefix, means “three, tri-”.

How do you pronounce tri-?

In classical Latin, [ˈtrɪ]; in ecclesiastical (church) Latin, [ˈtriː].

prefix

Classical[ˈtrɪ]Ecclesiastical[ˈtriː]

Inherited from Proto-Italic *tri-. Combining form of trēs (“three”, cardinal numeral).

Descendants

What does tri- mean in Latin?: tri-, a prefix, means “three, tri-”.
How do you pronounce tri-?: In classical Latin, [ˈtrɪ]; in ecclesiastical (church) Latin, [ˈtriː].