そば粉こ

そ

ば

こ

Meanings

1

noun

buckwheat flour

Flour ground from buckwheat, used primarily for making soba noodles and other buckwheat-based foods.

buckwheat

麦barley, wheat

小こ麦むぎ粉こ
Wheat flour, the most common flour in Japanese cooking, while そば粉 is specifically buckwheat flour.
そば
Refers to buckwheat noodles or the buckwheat plant itself, whereas そば粉 is the flour.

Compound of そば (buckwheat) and 粉 (flour). The reading そばこ is a straightforward combination of the two elements.