Etymology (noun)

1. The study of the origin and historical development of words and their meanings.
2. The origin and historical development of a word.

Origin:

Late 16th century: via latin from greek etumologia, from etumologos "student of etymology", from etumon "true sense", from etymos "true" + -logos "discourse".

Examples:

1. The etymology of the word "etymology" is from the Greek word etumologos, meaning "student of etymology".
2. Etymology is the study of how words change and develop over time.
3. I am trying to find the etymology of this word but i am not able to find it.
4. The etymology of the word "etymology" is quite interesting.
5. Etymology is an important field of study for understanding the history of language.