Crossword Genius

Bro starts to look uncomfortable in karate outfit (5)

Ross

I believe the answer is:

luigi

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

'bro' is the definition.
Both the definition and answer are singular nouns.
Maybe they are linked in a way I don't understand?

'starts to look uncomfortable in karate outfit' is the wordplay.
'starts to' says to take the initial letters.
'karate outfit' becomes 'gi' (I can't justify this - if you can you should believe this answer much more).
The initial letters of 'look uncomfortable in' is 'lui'.
'lui'+'gi'='LUIGI'

Can you help me to learn more?

(Other definitions for luigi that I've seen before include "- Pirandello, Italian author" , "-- Boccherini; -- Pirandello" , "Pirandello perhaps" .)

I've seen this clue in The Independent.
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