Crossword Genius

A nickname is appropriate for him (8)

Ross

I believe the answer is:

nicholas

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

'him' is the definition.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for nicholas that I've seen before include "Russia's last emperor ..." , "Boy" , "Patron saint of Greece (and Liverpool)" , "Man's name; last tsar" , "Novel featuring Dotheboys Hall" .)

I've seen this clue in The Globe and Mail.
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.