This is the 5246th most frequent Catalan word.
blai
"Blai" is a Catalan given name, equivalent to "Blaise" in English.
Here, 'Blai' is used as a proper noun, referring to the name of a person.
El meu amic Blai és molt amable.
My friend Blai is very kind.
In this sentence, 'blai' refers to soot or residue from a fire.
Durant la festa, el carbó ha deixat tota la taula plena de blai.
During the party, the charcoal left the whole table covered in soot.
This usage also employs 'blai' to mean soot, based on context.