H1534 גַּלְגַּל (gal-gal')

KJV renderings: heaven, rolling thing, wheel.
Strong's definition: a wheel; by analogy, a whirlwind; also dust (as whirled)
Derivation: by reduplication from H1556 (גָּלַל);

From James Strong's public-domain dictionaries (H), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.