This is the 9316th most frequent Japanese word.
目頭
The inner corner of the eye.
In this sentence, the word '目頭' refers to the inner corner of the eyes and is used metaphorically to indicate the feeling of getting emotional or teary-eyed.
感動的な映画を観て、私の目頭が熱くなった。
After watching an emotional movie, my eyes filled with tears.
Here, '目頭' is used to refer to the physical inner corner of the eye, illustrating the action of placing a hand there.
目頭に手を当てて考え込んだ。
I placed my hand on the corner of my eye and pondered.
In this usage, '目頭' indicates the emotional response leading to tears associated with a poignant performance.