1. the origin and history of a word, including its original meaning and how its form and meaning have changed over time
2. the study of word origins and the development of words and their meanings
Usage: academic field

Examples

• The etymology of the word 'sandwich' comes from the Earl of Sandwich, who invented it.
• According to etymology, 'breakfast' combines 'break' and 'fast' because it breaks your overnight fast.
• She studied etymology to better understand how languages evolve.
• The etymology of 'Wednesday' traces back to the Norse god Woden.
• Learning the etymology of words can help you remember their meanings.
• Dictionaries often include the etymology of each entry in brackets.