This is the 8438th most frequent Japanese word.
感涙
Tears of gratitude or deep emotional joy.
感涙 is here used metaphorically to represent being overwhelmed with emotion and physically expressing it through tears.
その手紙を読みながら、感涙に浸った。
While reading that letter, I was moved to tears.
感涙 is used to describe tears shed due to being emotionally touched, showing its direct connection to feelings of deep sentiment.
彼の感動的な演奏に感涙を流した。
I shed tears of emotion at his moving performance.
感涙 represents the emotional response of being deeply moved, emphasizing the intensity of the sentiment.