Etymology of the English word caver
the English word caver
using the English suffix -er
derived from the English word cave
derived from the Old French word cave
derived from the Latin word cava (hollow; cage)
derived from the Latin word cavus (hollow or cave; hole, cavity, depression; hollow, excavated, hollowed out; sunken; deep, having deep channel)
derived from the Proto-Indo-European root *keuÉ™-
derived from the Latin word cavum (a hollow or cave; hole, cavity, depression)