This is the 7997th most frequent Catalan word.
contingutno
It seems "contingutno" might be a typo or incorrect word. The closest correct Catalan word could be "contingut," meaning "content" in English.
In this context, 'contingutno' is used as a noun referring to the subject matter or content of a book.
El contingutno d'aquest llibre és fascinant.
The content of this book is fascinating.
Here, 'contingutno' is used adjectivally to describe a person being contained or reserved.
Hem de ser contingutnos en les nostres opinions.
We must be moderate in our opinions.
In this usage, 'contingutno' again signifies educational or informational content.