保ほう延えんほうえんMeanings1nounHōen era (1135.4.27-1141.7.10)Japanese era name (年号) corresponding to the late Heian period. Used in historical contexts.保ほう延えん年ねん間かんに書かかれた文ぶん献けんが残のこっている。Documents written during the Hōen era survive.
