Here's a breakdown of the word's evolution:
* Latin "cauda" (tail): The connection between a tail and cowardice is thought to stem from the observation of animals that would tuck their tails between their legs when frightened. This behavior became symbolic of fear and timidity.
* Old French "couard" (coward): The Latin "cauda" evolved into the Old French "couard," which was used to describe a person who was cowardly, literally meaning "one who has a tail."
* Middle English "coward": The French "couard" was adopted into Middle English, and it eventually transformed into the modern English word "coward."
While the modern usage of "coward" doesn't directly relate to a physical tail, the word's origin reminds us of the long-held association between tail-tucking behavior and fear.