栋 Strokes Write it Listen 栋 dòng classifier for houses or buildings; ridgepole (old) HSK 7–9 9 strokes Radical 木 Sound + meaning 2 words Built from木meaningmùtree; wood, lumber; wooden东sounddōngeast, eastern, eastward How it works木 hints at the meaning (wood), and 东 dōng hints at the sound.