Etymology

sienna

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Today it means: A form of clay containing iron and manganese. Full definition →

Italian terra di Siena
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sienna · noun, adjective1

  1. Italian · derived fromterra di Siena“earth of Siena”
  2. English todaysienna

From Italian terra di Siena (“earth of Siena”), Siena being the most notable Renaissance location of the clay.

Sienna · proper noun2

From the colour sienna.

Etymology from Wiktionary, CC BY-SA 4.0.