etymologist
/ˌɛtɪˈmɑlədʒɪst/
noun
- A person who studies the origin and historical development of words.
- As an etymologist, she spends her days researching how words change over time.
- The etymologist traced the word 'pizza' back to ancient Greek.
- The museum invited an etymologist to give a talk on the history of English.
Synonyms