Kanji What does the kanji 勃 mean? 勃 means erupting, rising suddenly. On'yomi ボツ、ホツ. Kun'yomi おこ.る、にわかに. Quick factsOn'yomiボツ、ホツKun'yomiおこ.る、にわかにStrokes9Main radical力 勃On'yomi ボツ、ホツKun'yomi おこ.る、にわかに9 strokeserupting, rising suddenlyMain radical力power 2 strokesBuilt from子child 3 strokes十ten 2 strokes力power 2 strokes冖cover 2 strokesStroke order · 9 strokesWatch it written123456789