speh₁-d-

“to succeed, to prosper, to have space”

Widely acceptedmotionmeasurement

speed, space, spatial, special

Root of Old English spēd "success, speed", Latin spatium "space", speciēs "kind", yielding English speed, space, special.

(s)tew-“to push, to strike”bʰer-“to carry, to bear”bʰleh₁-“to blow, to puff”bʰredʰ-“to wade through, to cross water on foot”bʰreg-“to break, to shatter”dewk-“to pull, to lead by pulling”dʰenh₂-“to flow, to run (liquid)”dʰreǵ-₂“to pull, to drag along the ground”