Root of pidgin's English (7)

I believe the answer is:

ginseng

'root' is the definition.
(I know that ginseng is a type of root)

'of pidgin's english' is the wordplay.
'of' indicates the answer is hidden within the clue.
'GINSENG' is hidden in the letters of 'pidgins english'.

(Other definitions for ginseng that I've seen before include "Medicinal tonic root" , "Medicinal tuber" , "Plant drug" , "Tuber with tonic effect" , "Plant, medicinal forked root" .)

I've seen this clue in The Telegraph.

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