Etymology of the Latin word cavare
the Classical Latin word cavare (hollow out, make concave, hollow)
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)