From Latin 'culina' (kitchen/stove)—a sibling of 'culinary' and 'cuisine,' the word came with Roman brick technology.
A furnace or oven for burning, baking, or drying materials, especially for firing pottery or bricks.
From Old English 'cyln,' from Latin 'culina' (kitchen, cooking stove). The same Latin word gives us 'culinary.' Romans spread kiln technology across Europe for brick and pottery production, and the word traveled