This is the 8259th most frequent Japanese word.
序ノ口
"序ノ口" refers to the lowest rank in professional sumo.
The phrase '序ノ口' is used to describe the start of something, indicating that there is more to come.
これは序ノ口です。
This is just the beginning.
The word '序ノ口' here refers to an initial phase or level, suggesting potential for further development.
彼の能力はまだ序ノ口にすぎません。
His abilities are still only at the beginning stage.
In this sentence, '序ノ口' indicates the initial stages or early part of a project.