This is the 7993rd most frequent Spanish word.
moros
"Moros" refers to Moors, historically Muslim inhabitants of North Africa and the Iberian Peninsula.
In this historical context, 'moros' refers to the Muslim inhabitants of North Africa and their descendants who ruled over parts of Spain during the Middle Ages.
Los moros gobernaron una gran parte de la península ibérica en la Edad Media.
The Moors ruled a large part of the Iberian Peninsula in the Middle Ages.
Here, 'moros' is used in the historical sense again but emphasizes their roles as merchants and explorers.
Cuando los moros bajaron del barco, traían muchas especias y mercancías.
When the Moors disembarked from the ship, they brought many spices and goods.
In this idiomatic expression, 'moros' figuratively refers to potential threats or risks, derived from historical coastal defense against invasions.