芯 Strokes Write it Listen 芯 xīn core, pith; the pith of a rush (Juncus effusus) HSK 7–9 7 strokes Radical 艹 Ideograph 1 word Built from艹cǎograss, weed, plant, herb心xīnheart; mind; soul How it worksThe heart 心 of a plant 艹; 心 also provides the pronunciation.