noun
protection
pruh-TEK-shun/prəˈtekʃn/
Action taken to keep harm from occurring.
The thick oven mitt provides protection from the hot baking tray.

Etymology
The underlying image is covering something in front, as a shield does. From this physical covering comes the broader act or condition of being kept safe from harm.
In context
Don't forget hearing protection in high noise areas. ANSI rated earplugs or ear muffs can prevent permanent hearing loss.
More examples
- Sunscreen offers protection against sunburn.
- The new law strengthens protections for renters.
- Local gangs demand protection money from shop owners.
Forms
protection · protections
protect verb — To keep someone or something from harm.
protective adjective — Intended to keep someone or something safe.