"-é" meaning in Old French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "-é"
          },
          "expansion": "Middle French: -é",
          "name": "desc"
        }
      ],
      "text": "Middle French: -é"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "-é"
          },
          "expansion": "French: -é",
          "name": "desc"
        }
      ],
      "text": "French: -é"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "-ātus"
      },
      "expansion": "Latin -ātus",
      "name": "inh"
    },
    {
      "args": {
        "1": "842"
      },
      "expansion": "842",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "842",
        "nodot": "1"
      },
      "expansion": "First attested in 842",
      "name": "etydate"
    },
    {
      "args": {
        "1": "fro",
        "2": "-at"
      },
      "expansion": "-at",
      "name": "m"
    },
    {
      "args": {
        "1": "fro",
        "2": "jurat"
      },
      "expansion": "jurat",
      "name": "m"
    },
    {
      "args": {
        "1": "c",
        "2": "1050",
        "nocap": "1",
        "nodot": "1"
      },
      "expansion": "first attested in c. 1050",
      "name": "etydate"
    },
    {
      "args": {
        "1": "fro",
        "2": "-et"
      },
      "expansion": "-et",
      "name": "m"
    },
    {
      "args": {
        "1": "fro",
        "2": "-é"
      },
      "expansion": "-é",
      "name": "lang"
    }
  ],
  "etymology_text": "Inherited from Latin -ātus. First attested in 842, as -at (jurat in the Oaths of Strasbourg) > (first attested in c. 1050) -et in the Song of Roland; the form -é first appears in the 12th century.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "suffix",
        "sort": "e"
      },
      "expansion": "-é",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old French terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "used to form past participles of regular -er verbs"
      ],
      "id": "en--é-fro-suffix-NBYQ2CJa",
      "synonyms": [
        {
          "english": "manuscript form",
          "word": "-e"
        },
        {
          "word": "-et (12th century or earlier)"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "wikipedia": [
        "Oaths of Strasbourg",
        "Song of Roland"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɛ/"
    }
  ],
  "word": "-é"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "-é"
          },
          "expansion": "Middle French: -é",
          "name": "desc"
        }
      ],
      "text": "Middle French: -é"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "-é"
          },
          "expansion": "French: -é",
          "name": "desc"
        }
      ],
      "text": "French: -é"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "-ātus"
      },
      "expansion": "Latin -ātus",
      "name": "inh"
    },
    {
      "args": {
        "1": "842"
      },
      "expansion": "842",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "842",
        "nodot": "1"
      },
      "expansion": "First attested in 842",
      "name": "etydate"
    },
    {
      "args": {
        "1": "fro",
        "2": "-at"
      },
      "expansion": "-at",
      "name": "m"
    },
    {
      "args": {
        "1": "fro",
        "2": "jurat"
      },
      "expansion": "jurat",
      "name": "m"
    },
    {
      "args": {
        "1": "c",
        "2": "1050",
        "nocap": "1",
        "nodot": "1"
      },
      "expansion": "first attested in c. 1050",
      "name": "etydate"
    },
    {
      "args": {
        "1": "fro",
        "2": "-et"
      },
      "expansion": "-et",
      "name": "m"
    },
    {
      "args": {
        "1": "fro",
        "2": "-é"
      },
      "expansion": "-é",
      "name": "lang"
    }
  ],
  "etymology_text": "Inherited from Latin -ātus. First attested in 842, as -at (jurat in the Oaths of Strasbourg) > (first attested in c. 1050) -et in the Song of Roland; the form -é first appears in the 12th century.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "suffix",
        "sort": "e"
      },
      "expansion": "-é",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Old French entries with incorrect language header",
        "Old French lemmas",
        "Old French suffixes",
        "Old French terms derived from Latin",
        "Old French terms inherited from Latin",
        "Old French terms with IPA pronunciation",
        "Old French terms with redundant sortkeys"
      ],
      "glosses": [
        "used to form past participles of regular -er verbs"
      ],
      "tags": [
        "morpheme"
      ],
      "wikipedia": [
        "Oaths of Strasbourg",
        "Song of Roland"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɛ/"
    }
  ],
  "synonyms": [
    {
      "english": "manuscript form",
      "word": "-e"
    },
    {
      "word": "-et (12th century or earlier)"
    }
  ],
  "word": "-é"
}