The word 'spelunker' is originally from Latin 'spelunca'

'Spelunker' is a word borrowed from Latin 'spelunca'. The word entered the English language some time around 1942.

spelunker [noun] [1942]

One who makes a hobby of exploring and studying caves

See 'spelunker' on the Loan Words Map

See more loan words from Latin.

Etymology: Latin 'spelunca' cave, from Greek 'spēlynx;' akin to Greek 'spēlaion' cave

See more loan words from 1940s.