Jitto

[Giongo Gitaigo by Flashcards]

じっと

(副詞)

“Concentration on a specific thing or event. (Typically used with miru or kangaeru.)
Motionlessness. Quiet perseverance. (Typically used with suru or gaman-suru.) ”

Sample text:

その子供こどもは小鳥ことりをじっと見みていた。
The child was gazing at the bird.
注射ちゅうしゃが終おわるまで、その子こはじっとしていた。
The child remained still until the injection was over.