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Origin and history of oo-

oo-

word-forming element meaning "egg, eggs," from Greek ōon "egg," cognate with Latin ovum, Old Norse egg, from PIE *ōwyo‑, *ōyyo‑ "egg," which perhaps is a derivative of the root *awi- "bird."

Entries linking to oo-

in biology, "sac or pouch serving as a receptacle for eggs," 1875; see oo- "egg" + cyst.

"an egg mother-cell," 1895, from oo- "egg" + -cyte "cell."

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