/fæn/
[noun] A device used to move air and create a cooling breeze, or a person who admires and supports someone or something very strongly. The word has two quite separate histories that happen to share the same modern form.
'Fan' meaning an enthusiast started as a baseball slang word in 1880s America — it was short for 'fanatic', which itself comes from a Latin word for a temple.
The older of the two 'fan' words goes all the way back to the ancient world. It comes from the Latin word 'vannus', which referred to a winnowing basket or shovel — a wide, flat tool that farmers used to toss grain into the air so that the wind would separate the heavy grain from the light, worthless husks. This Latin 'vannus' passed into Old English as 'fann', and the object gradually changed shape over the centuries from a grain-sorting tool into the hand-held folding device used to wave air across one's face. By the time English speakers in the 14th and 15th centuries were writing about fans, the word described something elegant and decorative — quite a social climb for an old farmyard implement.
The journey from winnowing basket to fashionable accessory is not as strange as it sounds. The essential idea — a flat surface moved through the air — remained constant, even as the object's purpose shifted from agricultural necessity to courtly refinement. Folding fans made of paper, silk, and ivory became status symbols in European courts during the 16th and 17th centuries, imported from China and Japan and quickly imitated by European craftspeople. The fan as a cooling and decorative object became so central to social life that entire 'languages of the fan' were invented, with different positions and gestures said to carry secret messages between admirers.
The second and now far more commonly used meaning of 'fan' — a devoted enthusiast or supporter — has a completely different and much more recent story. This sense is generally agreed to be an American English shortening of 'fanatic', first appearing in print in the 1880s in the context of baseball. Sportswriters needed a quick, punchy word for the passionate supporters filling the new professional stadiums, and 'fan' fit the bill perfectly. The word spread rapidly and within a generation had moved far beyond baseball to describe enthusiasts of any kind — theatre fans, film fans, music fans.
'Fanatic' itself carries a dramatic and somewhat ominous history. It comes from the Latin 'fanaticus', meaning 'inspired by a god' or 'belonging to a temple', derived from 'fanum', the Latin word for a sacred temple or shrine. In its original sense, a 'fanaticus' was someone in a state of wild religious frenzy, believed to be seized by a divine spirit. English borrowed 'fanatic' in the 17th century to describe people with extreme and irrational religious beliefs, and the word retained that edge of dangerous excess for a long time. It is quite remarkable, then, that through its shortened form 'fan', this word for divine madness became a cheerful, ordinary word for someone who really loves a football club or a pop singer.
Today the two 'fans' live comfortably side by side in the language, and most people never suspect they have different roots. The cooling fan — whether a handheld device or an electric machine — still carries the ancient DNA of that Roman grain-sorting tool, while the enthusiast fan carries, buried deep inside it, the memory of temple priests trembling in religious ecstasy. Language has a way of domesticating the extraordinary, turning sacred frenzy into something as ordinary as cheering for your favourite team.