How to Write 窣 (sū) — Meaning “rustle (sound)”

Imagine a cave (穴) where a soldier (卒) is walking quietly, making a rustling sound. The soldier's footsteps cause leaves to rustle, so you can remember 窣 as the sound of someone in a cave. The pinyin sū sounds like 'sue', which can remind you of the soft 'sss' of rustling.

Write the top radical 穴 first, with the cover (宀) then the two strokes inside. The bottom part 卒 should be balanced: the left side has a small '丷' and the right side has '十' with a long vertical stroke. Common mistakes include making the bottom too wide or forgetting the extra dot in 卒.

Unlike 窑 (yáo, kiln) which has 缶 (pottery) and means a place for firing ceramics, 窣 has 卒 underneath and means a rustling sound. 窒 (zhì, to block) has 至 (to reach) and means to obstruct or stop up. Visually, 窣 is the only one with 卒, and its meaning is about sound, not a place or action.

窣 is almost always used in the reduplicated form 窸窣 (xī sū) to describe soft rustling sounds like leaves or fabric. It is not commonly used alone and appears more in literary or descriptive writing. The word 窣静 (sū jìng) describes a quiet and still environment, but is rare in everyday speech.

Common words containing 窣 include: 窸窣 (xī sū) — rustle; 窣窣 (sū sū) — rustling sound; 窣静 (sū jìng) — quiet and still.