Undaunted (adjective)

1. Not intimidated or discouraged by difficulty, danger, or disappointment.
2. Resolute and unafraid.

Origin:

From the old french "endaunter" meaning "to daunt" or "to overcome fear", which itself comes from the latin "dominare" meaning "to overcome, to conquer, to subdue.".

Examples:

1. Despite the storm, the sailors remained undaunted and continued their voyage.
2. The undaunted explorer set out to conquer the highest peak in the range.
3. She faced the challenge with an undaunted spirit.
4. He was undaunted by the prospect of failure.
5. The undaunted soldier led the charge into battle.