However, ironically in 887, in the imperial edict that Emperor Uta ordered TACHIBANA no Hiromi to write in a Kampaku appointment to FUJIWARA no Mototsune, Mototsune disagreed with the emperor regarding the meaning of the word 'Ako' and refused to participate in government for a while (the Ako Incident).
だが、皮肉にも887年宇多天皇が橘広相に命じて書かせた藤原基経への関白任命の詔勅にあった「阿衡」という言葉の意味合いを巡って、基経が天皇と対立して政務への参加を一時拒否するという事件が起こっている（阿衡事件）。