different between lombardy vs mantua

English

From French manteau, perhaps by confusion with Mantua in Italy.

mantua (plural mantuas)

An article of loose clothing popular in 17th- and 18th century France.
(obsolete) A superior kind of rich silk formerly exported from Mantua in Italy.
- 1882, S. William Beck, The Draper's Dictionary
  Anderson mentions black and coloured mantuas amongst other silks introduced here by the French immigrants of 1685. […] Mantuas are also included in a list of silks advertised for sale in the British Chronicle of 1763 […]
(obsolete) A woman's cloak or mantle.
(obsolete) A woman's gown.

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