per-tú-

“crossing, passage, ford”

Widely acceptedmovementcrossing

port, portal, transport, passport

Abstract of *per- giving Latin portus, English port, portal, transport, passport, export, import.

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”