"Russian soup made with beets and cabbage," 1884, from Russian borshch "cow parsnip," which was an original recipe ingredient. Borscht belt "region of predominantly Jewish resorts in and around the Catskill Mountains of New York" (also known as the Yiddish Alps) is by 1938.
Borneo
Bornholm
boron
borough
borrow
borscht
bort
Borussia
borzoi
bose
bosh