sourdough
noun
sour·dough ˈsau̇(-ə)r-ˌdō 
sense 1 is also -ˈdō
1
: a leaven consisting of dough in which fermentation is active
2
[from the use of sourdough for making bread in prospectors' camps] : a veteran inhabitant and especially an old-time prospector of Alaska or northwestern Canada
Example Sentences
Recent Examples on the Web Pizzaiolo Sarah Minnick in Portland also takes a seasonal approach to topping her sourdough crusts with ingredients like bitter herbs, foraged flowers, wild mushrooms and blue cheese. 
Bahar Anooshahr, The Arizona Republic, 7 Sep. 2022 The foundation of his pizza crust is sourdough, created with a 9-month-old starter Wexler fed daily out of his family’s Two Fat Cookies bakery off Atlantic Avenue. Phillip Valys, Sun Sentinel, 2 Sep. 2022 The trick is to use sourdough, brie cheese, spinach, and sliced apples to upgrade the ham, then grill until everything is hot, cheesy, and delicious. Katlyn Moncada, Better Homes & Gardens, 31 Aug. 2022 His Pane Vivo bakeries produce natural sourdough breads from an ancient wheat variety and have found a growing fan base among Parisians looking for a healthier alternative to the dominant white baguette bread. Rick Noack, Washington Post, 5 Aug. 2022 Pretzels, of course, come in many shapes and sizes, from sourdough nuggets to thin twists. Rebecca Firsker, Bon Appétit, 26 July 2022 Also weighing in at the judges' table will be chef Millie Peartree, comedian and food influencer Eunji Kim and baker Bryan Ford, who is partly responsible for the 2020 sourdough craze. Lanae Brody, PEOPLE.com, 13 July 2022 Lionel Boyce, who plays the bread baker, went to Copenhagen to study with Richard Hart, the British sourdough whisperer who helped build Tartine in San Francisco before René Redzepi recruited him to make bread for Noma in 2017. New York Times, 11 July 2022 Spinach salad with caramelized onion sourdough croutons with parmesan cheese and roasted red peppers with a balsamic vinaigrette. Allana Haynes, Baltimore Sun, 28 June 2022 See More
Bahar Anooshahr, The Arizona Republic, 7 Sep. 2022 The foundation of his pizza crust is sourdough, created with a 9-month-old starter Wexler fed daily out of his family’s Two Fat Cookies bakery off Atlantic Avenue. Phillip Valys, Sun Sentinel, 2 Sep. 2022 The trick is to use sourdough, brie cheese, spinach, and sliced apples to upgrade the ham, then grill until everything is hot, cheesy, and delicious. Katlyn Moncada, Better Homes & Gardens, 31 Aug. 2022 His Pane Vivo bakeries produce natural sourdough breads from an ancient wheat variety and have found a growing fan base among Parisians looking for a healthier alternative to the dominant white baguette bread. Rick Noack, Washington Post, 5 Aug. 2022 Pretzels, of course, come in many shapes and sizes, from sourdough nuggets to thin twists. Rebecca Firsker, Bon Appétit, 26 July 2022 Also weighing in at the judges' table will be chef Millie Peartree, comedian and food influencer Eunji Kim and baker Bryan Ford, who is partly responsible for the 2020 sourdough craze. Lanae Brody, PEOPLE.com, 13 July 2022 Lionel Boyce, who plays the bread baker, went to Copenhagen to study with Richard Hart, the British sourdough whisperer who helped build Tartine in San Francisco before René Redzepi recruited him to make bread for Noma in 2017. New York Times, 11 July 2022 Spinach salad with caramelized onion sourdough croutons with parmesan cheese and roasted red peppers with a balsamic vinaigrette. Allana Haynes, Baltimore Sun, 28 June 2022 See More Word History
First Known Use
14th century, in the meaning defined at sense 1