Crusade (noun)

A medieval military expedition undertaken by Christians with the goal of recapturing the Holy Land from the Muslims.

Origin:

Middle english: from old french croisade, from croiser "take the cross", from croix "cross".

Examples:

1. The Crusades were a series of wars fought between Christians and Muslims.
2. The First Crusade was launched in 1096.
3. The Crusades had a lasting impact on the history of the Middle East.
4. The Crusades are often seen as a dark chapter in Christian history.
5. Many knights and soldiers joined the Crusades in the hope of gaining glory and wealth.