English

speleogenesis

From speleo- + genesis.

Ancient Greek σπήλαιον ‘cave’

Proto-Indo-European *ǵenh₁- ‘to produce’

Proto-Indo-European *ǵénh₁tis ‘birth, production’

Proto-Hellenic *génetis ‘origin, source’

Ancient Greek γένεσις ‘origin, source, beginning’

Latin genesis ‘generation, nativity’

Today it means

noun The formation and development of caves

Language periods are conventional ranges, not dates for this word.

Etymograph / speleogenesis