康こう平へいこうへいFreq.FrequencyTop 50,000Meanings1nounKōhei era (1058.8.29–1065.8.2)Japanese era name (年号) from the late Heian period. Used in historical contexts.康こう平へい年ねん間かんに、前ぜん九く年ねんの役えきが始はじまった。The Former Nine Years' War began during the Kōhei era.