This is the 466th most frequent Portuguese word.
dessas
"Of those" or "from those."
Here, 'dessas' is used as a demonstrative pronoun, referring to specific desserts known to both the speaker and listener.
Eu gostaria de provar uma dessas sobremesas.
I would like to try one of those desserts.
Here, 'dessas' implies belonging to a certain category the speaker is discussing.
Ela evitou cometer erros como um desses.
She avoided making mistakes like one of those.
Here, 'dessas' refers to specific stories of a certain kind or context previous discussed.