御湯殿上日記
おゆどののうえのにっき
Oyudono no ue no nikki (Collection of diaries on the daily life in the imperial court)
湯殿 is read as ゆどの (yudono) and means bathing.
ゆどの
yudono
おゆどののうえのにっき
Oyudono no ue no nikki (Collection of diaries on the daily life in the imperial court)