The story
- Proto-Indo-European*ǵneh₃-
- Proto-Germanic*knēaną
- Proto-West Germanic*knāan
- Old Englishcnāwan
- Middle Englishknowen
- Englishknow
- English todayknowing
First known use, by meaning
- from 14th c. Possessing knowledge or understanding; knowledgeable, intelligent.
- from 16th c. Deliberate, wilful.
- from 17th c. Shrewd or showing clever awareness; discerning.
- from 18th c. Demonstrating knowledge of what is in fashion; stylish, chic.
- from 19th c. Suggestive of private knowledge or understanding.
Etymology from Wiktionary, CC BY-SA 4.0.