What does -tis mean in Latin?

-tis, a suffix, means “suffixed to a verb stem to form a noun, usually denoting an action or result”.

How do you pronounce -tis?

In classical Latin, [tɪs]; in ecclesiastical (church) Latin, [tis].

suffix · femininethird declension

-tis f (genitive -tis)

Classical[tɪs]Ecclesiastical[tis]

femininemorphemesuffixed to a verb stem to form a noun, usually denoting an action or result

From Proto-Italic *-tis, from Proto-Indo-European *-tis, suffix forming nouns from verbal roots.

What does -tis mean in Latin?: -tis, a suffix, means “suffixed to a verb stem to form a noun, usually denoting an action or result”.
How do you pronounce -tis?: In classical Latin, [tɪs]; in ecclesiastical (church) Latin, [tis].