開to open; to start, to initiate, to beginStrokes12PinyinkāiParts門gate, door, entrance, opening开to openWords with 開开本kāi běn · kaibenbook format based on how a full printing sheet is cut or folded (often abbreviated to 開|开[kai1] after a numeral, e.g. 16-kai and 32-kai, roughly A4 and A5 respectively)Study it in Yanamino