Crossword Genius

Could his intelligence encourage a master? (7)

Ross

I believe the answer is:

egghead

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

'could his intelligence' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'encourage a master?' is the wordplay.
'encourage' becomes 'egg'.
'a master?' becomes 'head' (master is a kind of head).
'egg'+'head'='EGGHEAD'

Can you help me to learn more?

(Other definitions for egghead that I've seen before include "An intellectual (inf.)" , "brain" , "Very academic person" , "Brainiac" , "Intellectual (sl.)" .)

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