The story
- Latin · borrowed fromcompos“in control, having mastery”
- English todaycompos mentis
From Latin compos (“in control, having mastery”) + mentis (“of mind”).
Etymology from Wiktionary, CC BY-SA 4.0.
compos mentis
Today it means: Of sound mind, sane; thus fully accountable (legally and/or morally) for one's deeds. Full definition →
Latin compos