spelunk

Etymology 1
From, from and/or , from , related to. Cognates include 🇨🇬,, 🇨🇬.

Noun

 * 1)  A cave, cavern or grotto.

Etymology 2
U.S., 1940s. .

Verb

 * 1) To explore caves.
 * 2) To explore a system in depth.

Translations

 * Finnish: tutkia luolia
 * Hungarian: barlangászik
 * Russian: иссле́довать пещеры, занима́ться спелеологией
 * Spanish: hacer espeleología