IPA: /ˌɪntrəˈvɜrʒən/
KK: /ɪntrəˈvɜrʒən/
The state of being more focused on one's own thoughts and feelings rather than on external things or social interactions.
Her introversion made her prefer quiet evenings at home over loud parties.
Introversion is formed from "intro-" (meaning inward) and "versio" (from "vertere", meaning to turn). The word describes a tendency to turn inward, focusing on one's inner thoughts and feelings rather than seeking external stimulation.
Think of 'turning inward' ('intro-') to remember that 'introversion' means focusing on your inner thoughts and feelings.