noun
Ōgosho period
Historical term for the period between the Kansei Reforms and the Tempo Reforms, roughly 1787–1843, when the retired shogun (大御所) held significant influence.
大御所時代は、寛政の改革から天保の改革までの期間を指す。
The Ōgosho period refers to the time from the Kansei Reforms to the Tempo Reforms.
Compound of 大御所 (ōgosho, 'retired shogun') and 時代 (jidai, 'period'). The term reflects the era when retired shoguns wielded substantial political power.