天てん永えいてんえいMeanings1nounTen'ei era (1110.7.13–1113.7.13)Japanese era name (年号) from the late Heian period, corresponding to the reign of Emperor Toba.天てん永えい年ねん間かんに起おきた出で来き事ごとを調しらべています。I am researching events that occurred during the Ten'ei era.