恐きょう惶こう敬けい白はく

also: きょうこうけいびゃく

Meanings

1

very truly yours; very respectfully yours

Archaic formal closing used in old Japanese letters, similar to 恐惶謹言. Not used in modern correspondence.

See also: 恐惶謹言

江え戸ど時じ代だいの手て紙がみの末まつ尾びには「恐きょう惶こう敬けい白はく」と記しるされることがあった。
In letters from the Edo period, '恐惶敬白' was sometimes written at the end.