Crossword Genius

The suaveness of those Slavs (6)

Ross

I believe the answer is:

polish

I'm a little stuck... Click here to teach me more about this clue!

'the suaveness' is the definition.
The answer and definition can be both human attributes as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for polish that I've seen before include "tongue" , "Brush up" , "Perfect" , "Beeswax, for example" , "class" .)

I've seen this clue in the Evening Standard.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.