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o-grade. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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o-grade in singular and plural. Everything you need to know about the word
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English
Noun
o-grade (uncountable)
- (Indo-European studies) In Proto-Indo-European linguistics, an ablaut form of a Proto-Indo-European root, characterised by the presence of the */o/ vowel phoneme in place of */e/.
- Coordinate terms: e-grade, zero-grade
Ancient Greek γόνος (gónos) is a reflex of *ǵónh₁os (“race”), which is itself an o-grade derivative of the root *ǵenh₁- (“to beget; to produce, bear”).
2006, Donald Ringe, From Proto-Indo-European to Proto-Germanic (A Linguistic History of English; 1), Oxford: Oxford University Press, →ISBN, page 12:A considerable number of derived nominals, especially thematic nouns, also exhibited o-grade roots.
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