[AZLiberty]

What is the etymology of "potholer"?

[Oztrich Boy]

"pothole": a cave/cave system whose entrance is vertical

"potholer": a person who explores such a cave as recreation.

[blam]

"What is the etymology of "potholer"?"

I've 'pinged' three people who had a discussion about 'cavers' and 'spelunkers' on another thread earlier today.