Cupidity (noun)

An inordinate desire for wealth or material gain.

Origin:

From the latin word "cupido" meaning desire or passion.

Examples:

1. He acted out of cupidity.
2. Cupidity led him to make unethical decisions.
3. Cupidity was the root of his actions.
4. Her cupidity was insatiable.
5. Cupidity is considered a deadly sin.