speleologist
noun /ˌspiːliˈɒlədʒɪst/
/ˌspiːliˈɑːlədʒɪst/
- a scientist who studies caves or a person who goes into caves as a sport compare caver, potholer (1), spelunker (1)Word Originlate 19th cent.: from French spéléologie, via Latin from Greek spēlaion ‘cave’ + -ist.