Queterract
Queterract is a 4th-dimensional sphere. "Kwetwer-" is the Indo-European root for "four" and "act" coming from the latin root "ἀκτίς" (aktis) meaning "ray".
Just like a tesseract is comprised of "tessera-", meaning "four" as well, and "ἀκτίς" (aktis), a queterract is comprised of what's stated above.
Just like a tesseract is comprised of "tessera-", meaning "four" as well, and "ἀκτίς" (aktis), a queterract is comprised of what's stated above.
A tesseract is to a cube as a queterract is to a sphere.