"-eresse" meaning in Moyen français

{
  "categories": [
    {
      "kind": "other",
      "name": "Suffixes en moyen français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Moyen français",
      "orig": "moyen français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "-eresses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "*\\(ə).rɛs(ə)\\"
    }
  ],
  "lang": "Moyen français",
  "lang_code": "frm",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Suffixe servant à former des mots féminins.\nVoir aussi au suffixe -esse."
      ],
      "id": "fr--eresse-frm-suffix-FRNJXCCG"
    }
  ],
  "sounds": [
    {
      "zh_pron": "-eresse"
    },
    {
      "ipa": "*\\(ə).rɛs(ə)\\"
    }
  ],
  "tags": [
    "feminine",
    "morpheme"
  ],
  "word": "-eresse"
}

{
  "categories": [
    "Suffixes en moyen français",
    "moyen français"
  ],
  "forms": [
    {
      "form": "-eresses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "*\\(ə).rɛs(ə)\\"
    }
  ],
  "lang": "Moyen français",
  "lang_code": "frm",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Suffixe servant à former des mots féminins.\nVoir aussi au suffixe -esse."
      ]
    }
  ],
  "sounds": [
    {
      "zh_pron": "-eresse"
    },
    {
      "ipa": "*\\(ə).rɛs(ə)\\"
    }
  ],
  "tags": [
    "feminine",
    "morpheme"
  ],
  "word": "-eresse"
}