ret-

“to run, to roll, round”

Widely acceptedqualitiesmotion

round

Root for running and rolling. Gives Latin rota "wheel", English "round", "roll", "rotund".

(s)tew-“to push, to strike”bel-“strong, powerful”bʰer-“to carry, to bear”bʰerǵʰ-₂“high, elevated”bʰleh₁-“to blow, to puff”bʰosos“bare, naked”bʰredʰ-“to wade through, to cross water on foot”bʰreg-“to break, to shatter”