延えん喜ぎ式しきMeanings1nounEngi-Shiki; Procedures of the Engi Erahistorical termA historical set of Japanese governmental regulations compiled during the Engi era (901–923). Used in historical and legal contexts.延えん喜ぎ式しきは平へい安あん時じ代だいの重じゅう要ような法ほう典てんの一ひとつです。The Engi-Shiki is one of the important legal codes of the Heian period.