This is the 2136th most frequent Catalan word.
antiga
"Antiga" means "old" or "ancient" in English.
Antiga is used as an adjective describing the house, indicating it is old from an earlier period.
La casa antiga del poble té molta història.
The old house in the village has a lot of history.
Antic is used as an adjective for 'books', here modified for grammatical gender.
Aquesta biblioteca guarda llibres antics molt interessants.
This library holds very interesting old books.
Antiga describes the 'collection' to denote its historical or antiquated characteristic.