窸 xī faint sound Definitions Defs Origin Strokes Stroke Words Sentences Sents Components 穴 穴 Meaning component xué, jué cave cave 悉 悉 Sound component xī thorough and detailed Historical Pronunciations Middle ChineseOld ChineseZhengzhangsidUnicodesit Sources Readings & variants Unicode Historical pronunciations Zhengzhang Shangfang