This is the 6675th most frequent Catalan word.
saleu
"Saleu" is the second-person plural present indicative form of "saludar," meaning "you (all) greet" or "you (all) salute."
The verb 'saleu' here means 'salt' as a command or instruction to add salt to the soup.
Quan prepareu sopa, saleu-la al vostre gust.
When you prepare soup, salt it to your taste.
'Saleu' functions as a suggestion to enhance the flavor of the vegetables by adding salt.
Si les verdures no tenen gaire sabor, saleu-les una mica.
If the vegetables don't have much flavor, salt them a bit.
Here, 'saleu' means adding salt to the salad, and the negative imperative advises moderation.