Starting now, understanding the German has less on (5)

I believe the answer is:

nuder

'has less on' is the definition.
(more nude or naked)

'starting now understanding the german' is the wordplay.
'starting' indicates taking the first letters.
'the german' becomes 'der' ('the' in German).
The initial letters of 'now understanding' is 'nu'.
'nu'+'der'='NUDER'

I've seen this clue in The Independent.

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