Main dictionary describes several languages (5)

I believe the answer is:

indic

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'main dictionary describes several languages' is the definition.
I can't judge whether this defines the answer.

'main dictionary describes' is the wordplay.
'describes' says the answer is hidden in the clue (describe can mean to go around).
'INDIC' is hidden within 'main dictionary'.

Can you help me to learn more?

(Other definitions for indic that I've seen before include "Like some tongues" , "Group of languages including Sanskrit" , "Language" .)

I've seen this clue in The Independent.

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