also: しょうとく
noun
Jōtoku era; Shōtoku era
Japanese era name (年号) spanning 1097–1099 CE. Both readings exist; じょうとく is more standard.
承徳年間は、白河上皇の院政期にあたる。
The Jōtoku era corresponds to the period of cloistered rule by Retired Emperor Shirakawa.
この文書は承徳二年のものである。
This document dates from the second year of the Jōtoku era.
The era name 承徳 was adopted in the late Heian period. The exact derivation is uncertain; it is a conventional era name composed of auspicious kanji.