This is the 1997th most frequent Catalan word.
senti
"Senti" is the first-person singular present subjunctive form of "sentir," meaning "to feel" or "to hear" in English.
In this sentence, 'sentir' is used in the sense of 'to hear', as a sensory perception.
Ahir vaig sentir que en Joan venia de viatge.
Yesterday, I heard that Joan was coming back from travel.
Here, 'sentir' means 'to feel', as in experiencing an emotion.
Sempre sento una gran alegria quan escolto aquesta cançó.
I always feel great joy when I listen to this song.
In this context, 'sentir' conveys the meaning of 'to feel', specifically physical sensations.