h₂welh₁-eyo-

“to keep rolling, revolve”

Widely acceptedmovementrotation

revolve, involve, evolve, volume

Iterative of *h₂welh₁- giving Latin volvere, English revolve, involve, evolve, volume, vault.

bʰeh₂-d-“to go, step, walk”bʰer-eyo-“to carry repeatedly, bear habitually”bʰer-tó-“carried, borne”dhregh-“to pull, drag, carry”dreHb-“to step heavily, trample”dʰrebʰ-“to drive, push, run”dʰrebʰ-eyo-“to keep running, drive”dʰreyb-mn̥-“a driving, forced movement”