This is the 3730th most frequent Japanese word.
こもっ
The word "こもっ" is not complete on its own; it is likely a conjugated form or part of another word (e.g., こもる, meaning "to shut oneself in" or "to be confined").
In this sentence, "こもっ" is used as part of "こもって," meaning to stay or confine oneself within a place, emphasizing staying indoors to focus on studying.
部屋にこもって勉強します。
I will stay in the room to study.
Here, "こもっ" from "こもっている" conveys the idea of being imbued or filled, expressing that his speech contains emotional content.
彼の言葉には熱意がこもっている。
His words are filled with passion.
In this example, "こもっ" functions as "こもっています," meaning that the flavor is deeply concentrated or contained within the soup.