One line calligraphy

…Some of them have the title of the monk written in large letters. (d) One-line calligraphy: A verse of 3 to 8 characters written in large letters as a floor decoration. As it is commonly called "Daitokuji-mono," it is often found in the handwriting of Daitokuji-affiliated monks in the Edo period. …

*Some of the terminology explanations that refer to "one-line calligraphy" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…僧侶の役職名を大書したものもある。(d)一行書　3～8字程度の偈句を大書し，床飾りとしたもの。俗に〈大徳寺もの〉と呼ばれるように，江戸時代の大徳寺系僧侶の筆跡に多い。…

※「一行書」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報