"-e-" meaning in Norwegian Nynorsk

{
  "etymology_templates": [
    {
      "args": {
        "1": "nn",
        "2": "non",
        "3": "-"
      },
      "expansion": "Old Norse",
      "name": "inh"
    },
    {
      "args": {
        "1": "non",
        "2": "-a"
      },
      "expansion": "-a",
      "name": "m"
    },
    {
      "args": {
        "1": "non",
        "2": "manna mál"
      },
      "expansion": "manna mál",
      "name": "m"
    },
    {
      "args": {
        "1": "nn",
        "2": "mannemål",
        "3": "mannemål"
      },
      "expansion": "mannemål",
      "name": "m"
    },
    {
      "args": {
        "1": "non",
        "2": "-ar"
      },
      "expansion": "-ar",
      "name": "m"
    },
    {
      "args": {
        "1": "nn",
        "2": "-ar-"
      },
      "expansion": "-ar-",
      "name": "m"
    },
    {
      "args": {
        "1": "nn",
        "2": "-a-"
      },
      "expansion": "-a-",
      "name": "m"
    }
  ],
  "etymology_text": "From the Old Norse genitive plural ending, -a, such as in manna mál (> mannemål). Also from the strong feminine genitive singular, -ar, whence also -ar- and -a-.",
  "head_templates": [
    {
      "args": {
        "1": "nn",
        "2": "interfix"
      },
      "expansion": "-e-",
      "name": "head"
    }
  ],
  "lang": "Norwegian Nynorsk",
  "lang_code": "nn",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Norwegian Nynorsk entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Norwegian Nynorsk interfixes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Norwegian Nynorsk links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "hest (“horse”) + hov (“hoof”) → hestehov (“horse’s hoof”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Genitival interfix indicating that the former element is a characteristic of the latter."
      ],
      "id": "en--e--nn-interfix-zb9Df6xO",
      "synonyms": [
        {
          "english": "in older standards when the first element is strong feminine",
          "word": "-ar-"
        },
        {
          "word": "-a-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-e-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nn",
        "2": "non",
        "3": "-"
      },
      "expansion": "Old Norse",
      "name": "inh"
    },
    {
      "args": {
        "1": "non",
        "2": "-a"
      },
      "expansion": "-a",
      "name": "m"
    },
    {
      "args": {
        "1": "non",
        "2": "manna mál"
      },
      "expansion": "manna mál",
      "name": "m"
    },
    {
      "args": {
        "1": "nn",
        "2": "mannemål",
        "3": "mannemål"
      },
      "expansion": "mannemål",
      "name": "m"
    },
    {
      "args": {
        "1": "non",
        "2": "-ar"
      },
      "expansion": "-ar",
      "name": "m"
    },
    {
      "args": {
        "1": "nn",
        "2": "-ar-"
      },
      "expansion": "-ar-",
      "name": "m"
    },
    {
      "args": {
        "1": "nn",
        "2": "-a-"
      },
      "expansion": "-a-",
      "name": "m"
    }
  ],
  "etymology_text": "From the Old Norse genitive plural ending, -a, such as in manna mál (> mannemål). Also from the strong feminine genitive singular, -ar, whence also -ar- and -a-.",
  "head_templates": [
    {
      "args": {
        "1": "nn",
        "2": "interfix"
      },
      "expansion": "-e-",
      "name": "head"
    }
  ],
  "lang": "Norwegian Nynorsk",
  "lang_code": "nn",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        "Norwegian Nynorsk entries with incorrect language header",
        "Norwegian Nynorsk interfixes",
        "Norwegian Nynorsk lemmas",
        "Norwegian Nynorsk links with redundant target parameters",
        "Norwegian Nynorsk terms derived from Old Norse",
        "Norwegian Nynorsk terms inherited from Old Norse"
      ],
      "examples": [
        {
          "text": "hest (“horse”) + hov (“hoof”) → hestehov (“horse’s hoof”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Genitival interfix indicating that the former element is a characteristic of the latter."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "english": "in older standards when the first element is strong feminine",
      "word": "-ar-"
    },
    {
      "word": "-a-"
    }
  ],
  "word": "-e-"
}