A descriptive word or phrase expressing a key quality.

• A fixed formulaic tag in epic poetry (e.g., Homer).
• A title added to a deity’s name marking an aspect.

An abusive or contemptuous label.

In scientific names, the word following the genus (plants, fungi, bacteria).

• In zoology, the corresponding element is the specific name.

To designate or describe with an epithet.

• To call or label as.