古訓 こくん Meanings Noun ancient precepts; ancient teachings old reading (of kanji or kanbun) Kanji 古 old. Read as コ. 訓 instruct. Read as クン. Words containing 古訓 古訓古事記 (こくんこじき) Kojiki with Ancient Readings (by Nagase Masachi, 1803) Jinuma: Japanese Dictionary · Word lists