kew-es-

“a hollowing, cave-making”

Widely acceptedshapeaction

cave, excavate, cavity, concave

Abstract from *kew- giving Latin cavāre, English cave, excavate, cavity, concave.

bheg-“to break, shatter”bʰelh₂-“to strike, fight in battle”bʰendʰ-mn̥“something bound, a binding”bʰendʰ-₂“to bind, tie, fetter”bʰer-“to carry, to bear”bʰer-mn̥-₂“something carried, a burden”bʰerH-“to scrape, bore, perforate”bʰerH-eyo-“to keep bearing, enduring”