敬けい啓けいけいけいMeanings1expressionsalutation at the end of a formal letterarchaicArchaic closing phrase used in formal correspondence, similar to 'Sincerely' or 'Respectfully yours' in older English letter-writing.古ふるい手て紙がみの末まつ尾びに「敬けい啓けい」と記しるされていた。At the end of the old letter, 'Keikei' was written.