Ants' Doorway - Ants' Doorway

..."The bank collapses through an ant's hole" means that a very small gap can cause a major failure. Also, because they march in a single file, it is called "Ant's pilgrimage to Kumano," and the very narrow passage is called "Ant's door crossing." The following story is originally a tale from India, but is well known among the people.

*Some of the terminology that refers to "Ant Door Crossing" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…〈蟻の穴から堤が崩れる〉とはきわめて小さいすきによって大失敗の起こること。また一列縦隊で行進するため〈蟻の熊野詣〉といい，ごく狭い通過点を〈蟻の戸渡り〉と呼ぶ。次の話はもとインド伝来の説話であるが民間でもよく知られている。…

※「蟻の戸渡り」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