mountaintop

UK: ˈmaʊn.tɪn.tɒp | US: ˈmaʊn.tən.tɑːp

Definition
  1. n. the highest point or summit of a mountain

Structure
mountain <natural elevation>top <highest point>
Etymology

The word "mountaintop" is a straightforward compound of "mountain" (from Old French montaigne, ultimately Latin montanea, meaning "mountainous region") and "top" (Old English topp, meaning "summit or crest"). The combination logically denotes the peak of a mountain, reflecting a literal and functional merging of the two concepts.

Examples
  1. The hikers finally reached the mountaintop after a grueling climb.

  2. From the mountaintop, we could see the entire valley below.

  3. The mountaintop was covered in snow even in summer.

  4. They built a small observatory on the mountaintop for stargazing.

  5. The mountaintop offered a breathtaking view of the sunrise.