楮 こうぞ Also written コウゾ, かぞ Meanings Noun kozo (Broussonetia kazinoki x papyrifera); Japanese paper mulberry tree Kanji 楮 paper mulberry. Read as こうぞ. Words containing 楮 楮紙 (こうぞがみ) kozo (paper) Jinuma: Japanese Dictionary · Word lists