延えん応おうえんおうMeanings1nounEn'ō era (1239–1240)Japanese era name spanning from the 7th day of the 2nd month of 1239 to the 16th day of the 7th month of 1240 in the lunar calendar.延えん応おうは鎌かま倉くら時じ代だいの元げん号ごうの一ひとつです。En'ō is one of the era names of the Kamakura period.
