From Japanese 央 (ou) meaning "centre, middle", 鴎 (ou) meaning "seagull", 紘 (ou) meaning "vast, expansive", 桜 (ou) meaning "cherry blossom", 鷹 (ou) meaning "eagle, falcon, hawk", 汪 (ou) meaning "vast, extensive, deep" or 泱 (ou) meaning "great, expansive" or other kanji which are pronounced the same way.