Crossword Genius

Language used by only four Dutchmen (4)

Ross

I believe the answer is:

urdu

'language' is the definition.
(Urdu is an example)

'used by only four dutchmen' is the wordplay.
'used by' indicates a hidden word.
'URDU' is hidden in the letters of 'only four dutchmen'.

(Other definitions for urdu that I've seen before include "Indian language" , "Channel to north of Isle of Wight" , "One of official languages of Pakistan" , "Sanskrit language" , "Indic language written in Persian script" .)

I've seen this clue in the Evening Standard.
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