応おう永えいおうえいFreq.FrequencyTop 100,000Meanings1nounŌei era (1394.7.5–1428.4.27)A Japanese era name (年号) spanning from July 5, 1394 to April 27, 1428 in the Gregorian calendar. Used in historical contexts.応おう永えい年ねん間かんに日にち明みん貿ぼう易えきが盛さかんになった。During the Ōei era, trade between Japan and Ming China flourished.