Indian Summer' -
Some suggest it refers to "Indian giver"—a racist term for someone who gives a gift and takes it back. Here, summer "gives" warm days, then "takes them back" with returning cold. Most scholars reject this as a later, folk-etymology rationalization.
Many early American writers, including J. H. St. John de Crèvecœur (1780s), noted that Native American tribes used this warm window to finish harvesting crops (especially corn, beans, squash) and to conduct final hunts for deer and small game. The warm, still weather and soft light were ideal for hunting before heavy snows. The haze also made it harder for prey to detect hunters. indian summer'
The next time you feel that unexpected warmth on your face after a frosty morning, and the air smells of dry leaves and distant woodsmoke, you'll know: this is not a random warm day. This is Indian Summer—a gift, a trick, and a memory, all at once. Some suggest it refers to "Indian giver"—a racist