This is the 7225th most frequent Spanish word.
gallego
"Gallego" means "Galician" (related to Galicia, its people, or language) or "Spaniard" in some Latin American contexts.
In this sentence, 'gallego' refers to the ethnonym for people from Galicia, a region in Spain.
Mi abuelo es gallego y siempre nos cuenta historias de Galicia.
My grandfather is Galician and always tells us stories from Galicia.
Here, 'gallego' refers to the Galician language, which is native to the region of Galicia in Spain.
Aprendí gallego para comunicarme mejor con mis amigos de Galicia.
I learned Galician to communicate better with my friends from Galicia.
In this context, 'gallego' again refers to the language spoken in Galicia, emphasizing its linguistic features.