sienna

• POS: Noun
• HYPHEN: si=en=na

CIDE DICTIONARY

sienna, n. [It. terra di Siena, fr. Siena in Italy.].

 Clay that is colored red or brown by the oxides of iron or manganese, and used as a pigment. It is used either in the raw state or burnt.  [1913 Webster]

Burnt sienna, sienna made of a much redder color by the action of fire. -- Raw sienna, sienna in its natural state, of a transparent yellowish brown color.

OXFORD DICTIONARY

sienna, n.
1 a kind of ferruginous earth used as a pigment in paint.
2 its colour of yellowish-brown (raw sienna) or reddish-brown (burnt sienna).

Etymology

It. (terra di) Sienna (earth of) Siena in Tuscany