窸窣 xīsū rustling Origin Definitions Defs Strokes Stroke Words Sentences Sents 窸 xī opaque (segment carries no independent meaning) [onomatopoeia] (bound form) used in the word 窸窣 xīsū, describing a rustling sound窣 sū opaque (segment carries no independent meaning) rustle (bound form) rustle; make a slight noise; used in 窸窣 xīsū