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1.
An etymologist is a person who studies etymology.

Etymology is an account of the history of a particular word or element of a word.

Through old texts and comparisons with other languages, etymologists try to reconstruct the history of words — when they entered a language, from what source, and how their form and meaning changed.

An Etymologist is different then a philologist, one who studies linguistics and etymology.

Beware, those who are nescient often misuse and mispronounce'entymology' which is actually the study of insects!

(et-uh-mol-uh-jist)
If you want to learn the origin of the word nescient, then you should consult an etymologist!

Denise: If we had resources available to us, we could hire an etymologist to do our homework!
Kenny: Let's just log onto youtube and watch HotForWords...
Denise: Isn't she a philologist?
by g-diggity April 18, 2008