"na pekô" meaning in Sango

{
  "categories": [
    {
      "kind": "other",
      "name": "Dates manquantes en sango",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions adverbiales en sango",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Sango",
      "orig": "sango",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Date à préciser) → voir pekô"
  ],
  "lang": "Sango",
  "lang_code": "sg",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en sango",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "En arrière"
      ],
      "id": "fr-na_pekô-sg-adv-6oyjbv0M"
    }
  ],
  "word": "na pekô"
}

{
  "categories": [
    "Dates manquantes en sango",
    "Locutions adverbiales en sango",
    "sango"
  ],
  "etymology_texts": [
    "(Date à préciser) → voir pekô"
  ],
  "lang": "Sango",
  "lang_code": "sg",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en sango"
      ],
      "glosses": [
        "En arrière"
      ]
    }
  ],
  "word": "na pekô"
}