conscious (English)
Where does "conscious" come from?
The word 'conscious' originates from the Latin 'conscius,' a combination of 'con-' (together) and 'scire' (to know). Originally used to describe being 'privy to' something or aware of secret guilt, the term evolved in English during the 16th century to encompass broader meanings of awareness, alertness, and intentionality.
Full etymology tree
- conscious (English), 'Alert, awake; with one's mental faculties active.'
- inherited cōnscius (Latin), 'conscious'
- derived cōnsciō (Latin), 'to be conscious of, have on one's conscience'
- compound con- (Latin), 'Used in compounds to indicate a being or bringing together of several objects'
- compound sciō (Latin), 'to be able to, to know (how to do), understand, to have practical knowledge'
- derived cōnsciō (Latin), 'to be conscious of, have on one's conscience'
- inherited cōnscius (Latin), 'conscious'
Direct ancestors
Updated July 2026
Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris