"-ēd" meaning in Proto-Italic

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "la",
            "2": "-ēd",
            "3": "-ē",
            "qq1": "Old Latin",
            "qq2": "Classical Latin"
          },
          "expansion": "Latin: -ēd (Old Latin), -ē (Classical Latin)",
          "name": "desc"
        }
      ],
      "text": "Latin: -ēd (Old Latin), -ē (Classical Latin)"
    },
    {
      "depth": 1,
      "templates": [],
      "text": "Osco-Umbrian:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "osc",
            "2": "-id"
          },
          "expansion": "Oscan: -id",
          "name": "desc"
        }
      ],
      "text": "Oscan: -id"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "xum",
            "2": "-𐌄"
          },
          "expansion": "Umbrian: -𐌄 (-e)",
          "name": "desc"
        }
      ],
      "text": "Umbrian: -𐌄 (-e)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "itc-pro",
        "2": "ine-pro",
        "3": "*-eh₁",
        "pos": "instrumental ending"
      },
      "expansion": "Proto-Indo-European *-eh₁ (instrumental ending)",
      "name": "der"
    }
  ],
  "etymology_text": "Shows clear influence from the o-stem masculine ablative singular ending -ōd, and possibly the adverb suffix could be an ablaut variant thereof. Alternatively, it might be possible to derive the suffix from Proto-Indo-European *-eh₁ (instrumental ending) with the -d secondarily gained via the influence of the ablative ending.",
  "head_templates": [
    {
      "args": {
        "1": "itc-pro",
        "2": "suffix"
      },
      "expansion": "*-ēd",
      "name": "head"
    }
  ],
  "lang": "Proto-Italic",
  "lang_code": "itc-pro",
  "original_title": "Reconstruction:Proto-Italic/-ēd",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Proto-Italic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "proβwos (“correct”) + *-ēd → *proβwēd (“correctly”)",
          "type": "example"
        }
      ],
      "glosses": [
        "forms adverbs from o/ā-stem adjectives: -ly"
      ],
      "id": "en--ēd-itc-pro-suffix-d62SNLpI",
      "links": [
        [
          "-ly",
          "-ly"
        ]
      ],
      "tags": [
        "morpheme",
        "reconstruction"
      ]
    }
  ],
  "word": "-ēd"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "la",
            "2": "-ēd",
            "3": "-ē",
            "qq1": "Old Latin",
            "qq2": "Classical Latin"
          },
          "expansion": "Latin: -ēd (Old Latin), -ē (Classical Latin)",
          "name": "desc"
        }
      ],
      "text": "Latin: -ēd (Old Latin), -ē (Classical Latin)"
    },
    {
      "depth": 1,
      "templates": [],
      "text": "Osco-Umbrian:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "osc",
            "2": "-id"
          },
          "expansion": "Oscan: -id",
          "name": "desc"
        }
      ],
      "text": "Oscan: -id"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "xum",
            "2": "-𐌄"
          },
          "expansion": "Umbrian: -𐌄 (-e)",
          "name": "desc"
        }
      ],
      "text": "Umbrian: -𐌄 (-e)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "itc-pro",
        "2": "ine-pro",
        "3": "*-eh₁",
        "pos": "instrumental ending"
      },
      "expansion": "Proto-Indo-European *-eh₁ (instrumental ending)",
      "name": "der"
    }
  ],
  "etymology_text": "Shows clear influence from the o-stem masculine ablative singular ending -ōd, and possibly the adverb suffix could be an ablaut variant thereof. Alternatively, it might be possible to derive the suffix from Proto-Indo-European *-eh₁ (instrumental ending) with the -d secondarily gained via the influence of the ablative ending.",
  "head_templates": [
    {
      "args": {
        "1": "itc-pro",
        "2": "suffix"
      },
      "expansion": "*-ēd",
      "name": "head"
    }
  ],
  "lang": "Proto-Italic",
  "lang_code": "itc-pro",
  "original_title": "Reconstruction:Proto-Italic/-ēd",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Proto-Italic entries with incorrect language header",
        "Proto-Italic lemmas",
        "Proto-Italic suffixes",
        "Proto-Italic terms derived from Proto-Indo-European"
      ],
      "examples": [
        {
          "text": "proβwos (“correct”) + *-ēd → *proβwēd (“correctly”)",
          "type": "example"
        }
      ],
      "glosses": [
        "forms adverbs from o/ā-stem adjectives: -ly"
      ],
      "links": [
        [
          "-ly",
          "-ly"
        ]
      ],
      "tags": [
        "morpheme",
        "reconstruction"
      ]
    }
  ],
  "word": "-ēd"
}