* "Head" or "top": This is the most common meaning of *pen*, and it can be used to describe the top of a hill, a mountain, or even a person's head. For example, *Pen-menhenick* means "head of the monks' stone".
* "End" or "point": This meaning is similar to the previous one, but it can also refer to the end of something, like a road or a river.
* "A hill": This meaning is more specific than the first one, and it refers to a specific geographical feature.
It's important to note that the meaning of *pen* can change depending on the surrounding words. For example, *pen-fowr* means "head of the river", while *pen-march* means "head of the sea".
Here are some examples of how *pen* is used in Cornish:
* Pen-y-fan (Welsh) - This mountain name literally means "top of the peak" and is a good example of how *pen* is used to describe a hilltop.
* Penwith (Cornish) - This peninsula in Cornwall literally means "head of the white" (referring to the white cliffs).
* Penryn (Cornish) - This town in Cornwall literally means "head of the estuary".
Overall, *pen* is a versatile word in Cornish that can be used in a variety of ways. Its meaning often depends on the context and the surrounding words.