永えい治じえいじMeanings1nounEiji era (1141.7.10–1142.4.28)A specific Japanese era name (年号) from the late Heian period. Used only in historical contexts.永えい治じ元がん年ねんにこの寺てらが建こん立りゅうされた。This temple was built in the first year of the Eiji era.