Least terrible Russian automobile (7)

I believe the answer is:

minivan

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'automobile' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'least terrible russian' is the wordplay.
'least terrible' becomes 'min' (I can't justify this - if you can you should give a lot more credence to this answer).
'russian' becomes 'ivan' (I've seen this before).
'min'+'ivan'='MINIVAN'

Can you help me to learn more?

(Other definitions for minivan that I've seen before include "Transport" , "vehicle" , "transporter" .)

I've seen this clue in The Hindu.

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