יָ֭מַי כְּצֵ֣ל נָט֑וּי וַ֝אֲנִ֗י כָּעֵ֥שֶׂב אִיבָֽשׁ׃
내 날이 기울어지는 그림자 같고 내가 풀의 쇠잔함 같으니이다
Rashi on Psalms
Like a lengthening shadow At eventide, when the shadows lengthen, and when it becomes dark, they are not recognizable, but progressively disappear.