This is the 12243rd most frequent Portuguese word.
rindo
"Rindo" means "laughing" in English.
In this sentence, 'rindo' is the auxiliary verb form indicating the action of laughing.
Ele está rindo de uma piada engraçada.
He is laughing at a funny joke.
Here, 'rindo' describes a continuous action in the past connected with another activity.
Ela estava rindo enquanto lia o livro divertido.
She was laughing while reading the amusing book.
'Rindo' illustrates laughter occurring concurrently during the action of playing.