Both Uses

epithet
in
Jane Eyre
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Too often she betrayed this, by the undue vent she gave to a spiteful antipathy she had conceived against little Adele: pushing her away with some contumelious epithet if she happened to approach her; sometimes ordering her from the room, and always treating her with coldness and acrimony.†
p. 216.2 *
You missed your epithet.†
p. 433.1

Definitions:

(1) (epithet as in: racial epithet)
an insulting or abusive word or phrase used to refer to a person or group
(2) (epithet as in: earned the epithet, "The Great")
a descriptive word or phrase used with a name or in place of it

An epithet often highlights a special quality of a person, place, or thing—such as Alexander the Great, The Great Emancipator for Abraham Lincoln, The Big Apple for New York City, or man's best friend for a dog.
(3) (meaning too rare to warrant focus)
In botany, a specific epithet or epithet is the word identifying the species.