一子相伝 いっしそうでん Meanings Noun transmission of the secrets of an art, craft, trade or learning from father to only one child Kanji 一 one. Read as イチ. 子 child 相 mutual. Read as ソウ. 伝 transmit. Read as デン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists