—Yasumaro (d. 723), scribe; preface to Ko-jiki
—Yoshifuru, general of guards, crushes revolt of Fujiwara Sumitomo
Onogoro, mythic island in story of cosmogony
Ooka Tadasuke (1677-1751), chief-justice in Yedo; revises code
O-oku, harem
O-omi, pre-eminent ami, head of Kwobetsu-uji; rivalry with o-muraji; favour Buddhism; pre-eminent after death of Mononobe Moriya; title given by Soga Emishi to his sons; no longer important after Daika (645)
Operative regulations, Shiki, supplementing Yoro laws
Oracle, of Sun Goddess at Ise; War God at Usa
Orange (tachibana) seeds brought from China (61 A.D.); trees introduced
Ordeal; of fire; of boiling water, kugadachi; used in Korea by Keno; in questions of lineage