bagel with onion flakes sprinkled on it, by 1936, ultimately short for Białystok, city in modern Poland. The city is named for the Biała river (literally White River), that flows past it, from Polish biały "white" + stok "slope."
*bhreu-
*bhrug-
Bhutan
bi
bi-
bialy
Bianca
biangular
biannual
biarticulate
bias