Origin: Latin suffix -sion
Introversion has 5 different meanings across 1 category:
the condition of being folded inward or sheathed
the folding in of an outer layer so as to form a pocket in the surface
"the invagination of the blastula"
(psychology) an introverted disposition; concern with one's own thoughts and feelings
A turning inward
The action of turning one's thoughts upon internal or spiritual matters.