City can produce obsolete language (5)

I believe the answer is:

latin

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'obsolete language' is the definition.
'latin' can be an answer for 'language' (Latin is an example). I'm not certain of the 'obsolete' bit.

'city can' is the wordplay.
'city' becomes 'LA' (Los Angeles).
'can' becomes 'tin' (both are metal containers).
'la'+'tin'='LATIN'

'produce' is the link.

Can you help me to learn more?

(Other definitions for latin that I've seen before include "Ancestor of French, Romanian" , "demanding subject" , "Language of old Romans" , "Old Roman language" , "Parent language of French,Romanian" .)

I've seen this clue in The Daily Express.

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