"er" meaning in Adioukrou

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en adioukrou",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Adioukrou",
      "orig": "adioukrou",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Adioukrou",
  "lang_code": "adj",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en adioukrou de l’anatomie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en adioukrou",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Les reins."
      ],
      "id": "fr-er-adj-noun-X8u1rX4w",
      "topics": [
        "anatomy"
      ]
    }
  ],
  "word": "er"
}

{
  "categories": [
    "Noms communs en adioukrou",
    "adioukrou"
  ],
  "lang": "Adioukrou",
  "lang_code": "adj",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en adioukrou de l’anatomie",
        "Wiktionnaire:Exemples manquants en adioukrou"
      ],
      "glosses": [
        "Les reins."
      ],
      "topics": [
        "anatomy"
      ]
    }
  ],
  "word": "er"
}