寒
カン, さむ.い, さ, さん
cold
JLPT3 G3 S12 F1456
The relevant seal inscription form is 宀# roof/building + an element combining piled bricks/stones and 廾 pair of hands → create layers of building materials in raising a shelter. Later, 氷/ 冫 ice was added at bottom to emphasize a structure offering protection from the *cold*.
[Full Kanji Etymology List]