noun
Jingo-keiun era (767.8.16–770.10.1)
A specific Japanese era name (年号) from the Nara period. Used only in historical contexts.
神護景雲は奈良時代の年号の一つです。
Jingo-keiun is one of the era names of the Nara period.
The era name is composed of kanji with auspicious meanings, but the exact historical derivation is uncertain.