epithet
definition
a descriptive phrase expressing a quality or characteristic of the person or thing mentioned
example
In ancient literature, heroes often had an epithet that highlighted their greatest strengths, such as 'swift-footed Achilles.'
synonyms
designationnicknamelabel
word origin — from Greek 'epitheton', meaning 'attributed, added', from 'epithesis', from 'epi-' (upon) + 'thesis' (a placing)