What is the meaning of -itis?

Suffix denoting diseases characterized by inflammation, itself often caused by an infection.

Used to form the names of various fictitious afflictions or diseases.

-itis

-itis

forms nouns from nouns, denoting an inflammitory disease; -itis

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

dative/ablative plural of -ītēs

-itis (denotes diseases characterized by inflammation, itself often caused by an infection)

-itis (forms the names of various fictitious afflictions or diseases)

Source: wiktionary.org