barilla

[buh-ree-uh, -reel-yee, -ril-uh] /bəˈri ə, -ˈril yi, -ˈrɪl ə/
noun
1.
either of two European saltworts, Salsola kali or S. soda, whose ashes yield an impure carbonate of soda.
2.
the alkali obtained from the ashes of these and certain other maritime plants.
Origin
1615-25; < Spanish barrilla, apparently equivalent to bar(ra) bar1 + -illa diminutive suffix
British Dictionary definitions for barilla

barilla

/bəˈrɪlə/
noun
1.
an impure mixture of sodium carbonate and sodium sulphate obtained from the ashes of certain plants, such as the saltworts
2.
either of two chenopodiaceous plants, Salsola kali (or soda) or Halogeton soda, formerly burned to obtain a form of sodium carbonate See also saltwort
Word Origin
C17: from Spanish barrilla, literally: a little bar, from barrabar1