This is the 4912th most frequent Catalan word.
trilogia
A trilogy.
The word 'trilogia' refers to a series of three related works, commonly books, in this sentence.
He llegit una trilogia fascinant sobre la història de l'antiga Roma.
I have read a fascinating trilogy about the history of ancient Rome.
Here, 'trilogia' is used to describe a movie series consisting of three parts.
La nova pel·lícula és la tercera part d'una trilogia molt famosa.
The new movie is the third part of a very famous trilogy.
This sentence uses 'trilogia' to refer to the common practice among authors to produce connected works in sets of three for thematic exploration.