慶けい応おうけいおうFreq.FrequencyTop 50,000じ字FuriganaMeanings1nounKeiō era (1865-1868)Japanese era name spanning from April 1865 to September 1868, the last years of the Edo period.慶けい応おう元がん年ねんは西せい暦れき1865年ねんにあたる。The first year of the Keiō era corresponds to 1865.
