This is the 6166th most frequent Catalan word.
maia
"Maia" in Catalan means "Maya," referring to the ancient Mesoamerican civilization or its people.
In this sentence, 'maia' is used as an adjective to describe the culture related to the Maya civilization.
La cultura maia té una història fascinant.
The Mayan culture has a fascinating history.
Here, 'maia' is again an adjective, now describing a painting as originating from the Maya civilization.
Vaig veure una pintura maia en un museu a Guatemala.
I saw a Maya painting in a museum in Guatemala.
In this case, 'maia' describes the field of astronomy as associated with the Maya culture.