I'd written a piece of music in college that had 3/4 and 4/4 time together and I wanted to replicate something similar.
Even with the percussive track, I wanted to emphasize the 4 with the melody and have it come back into more of a 3/4 feel at the end.
I was struggling at the time and found a certain comfort in beauty of this Portuguese word.
Roughly translates as the longing for something you can't have.....but more.