LATIN DICTIONARYLexicon Latīnum
suffix · femininethird declension

-ītis

-ītis f (genitive -ītidis)
Classical[ˈiː.tɪs]Ecclesiastical[ˈiː.tis]

Meaning

  1. New Latinmorpheme-itis (suffix denoting diseases characterized by inflammation, itself often caused by an infection)

Origins

Learned borrowing from Ancient Greek -ῖτις (-îtis, “pertaining to”).

Quick answers

What does -ītis mean in Latin?
-ītis, a suffix, means “-itis (suffix denoting diseases characterized by inflammation, itself often caused by an infection)”.
How do you pronounce -ītis?
In classical Latin, [ˈiː.tɪs]; in ecclesiastical (church) Latin, [ˈiː.tis].