"o-grade" meaning in All languages combined

{
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        "head": "o-grade"
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      "expansion": "o-grade (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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      "examples": [
        {
          "text": "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”).",
          "type": "example"
        },
        {
          "ref": "2006, Donald Ringe, From Proto-Indo-European to Proto-Germanic (A Linguistic History of English; 1), Oxford: Oxford University Press, →ISBN, page 12:",
          "text": "A considerable number of derived nominals, especially thematic nouns, also exhibited o-grade roots.",
          "type": "quote"
        }
      ],
      "glosses": [
        "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/."
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      "id": "en-o-grade-en-noun-jIL9inaC",
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          "Proto-Indo-European"
        ],
        [
          "ablaut",
          "ablaut"
        ]
      ],
      "raw_glosses": [
        "(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/."
      ],
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  "word": "o-grade"
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{
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "text": "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”).",
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        },
        {
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          "text": "A considerable number of derived nominals, especially thematic nouns, also exhibited o-grade roots.",
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      ],
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          "Indo-European studies",
          "Indo-European studies"
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          "Proto-Indo-European",
          "Proto-Indo-European"
        ],
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          "ablaut",
          "ablaut"
        ]
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      "raw_glosses": [
        "(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/."
      ],
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  "word": "o-grade"
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