Radical 斤

8 strokes

door 户 (269) + axe 斤 (240) = building 所

The left-hand side is an older version of “door” (Character 269), and does not appear in any other character in this book. Some books suggest writing the left-hand side of Character 270 by following the stroke-order used for Character 269.

所以 (120) suǒyǐ therefore, so

所有 (63) suǒyǒu all

The burglars broke down the door with an axe to gain access to the building. / The ghostly teddy who guarded the building threw bars of soap at the intruders.