This is the 2340th most frequent Japanese word.
ふし
"ふし" (fushi) means "joint," "knot," or "point" (in time or structure).
In this sentence, "ふし" refers to a melodic or musical phrase, commonly used when talking about tunes or melodies in music.
その歌のふしを聞くと、懐かしい気持ちになる。
When I hear the tune of that song, I feel nostalgic.
Here, "ふし" is used to mean a particular aspect or point of something, emphasizing its characteristics or implications.
彼の話にはいくつか不審なふしがある。
There are several suspicious points in his story.
In this context, "ふし" pertains to knots or nodes on a physical object, such as a tree, reflecting its structural features.