revere the emperor and overthrow the shogunate
Historical slogan and political concept from the late Edo period, associated with the sonnō jōi movement. Used as a noun referring to the ideology or the movement itself.
Revere the emperor and overthrow the shogunate was the watchword of the loyalists at the end of the Edo period.
尊王攘夷 (sonnō jōi) means 'revere the emperor and expel the barbarians', a broader slogan that includes anti-foreign sentiment. 尊王討幕 focuses specifically on overthrowing the shogunate.
Compound of 尊王 (sonnō, 'revere the emperor') and 討幕 (tōbaku, 'overthrow the shogunate'). Both parts are Sino-Japanese terms that became prominent in late Edo period political discourse.