"арка" meaning in Southern Altai

{
  "etymology_templates": [
    {
      "args": {
        "1": "alt",
        "2": "trk-pro",
        "3": "*arka"
      },
      "expansion": "Proto-Turkic *arka",
      "name": "inh"
    },
    {
      "args": {
        "1": "kk",
        "2": "арқа"
      },
      "expansion": "Kazakh арқа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ky",
        "2": "арка"
      },
      "expansion": "Kyrgyz арка (arka)",
      "name": "cog"
    },
    {
      "args": {
        "1": "crh",
        "2": "arqa"
      },
      "expansion": "Crimean Tatar arqa",
      "name": "cog"
    },
    {
      "args": {
        "1": "krc",
        "2": "аркъа"
      },
      "expansion": "Karachay-Balkar аркъа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "kum",
        "2": "аркъа"
      },
      "expansion": "Kumyk аркъа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ba",
        "2": "арҡа"
      },
      "expansion": "Bashkir арҡа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "az",
        "2": "arxa"
      },
      "expansion": "Azerbaijani arxa",
      "name": "cog"
    },
    {
      "args": {
        "1": "tr",
        "2": "arka"
      },
      "expansion": "Turkish arka",
      "name": "cog"
    },
    {
      "args": {
        "1": "ybe",
        "2": "arqa"
      },
      "expansion": "Western Yugur arqa",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Turkic *arka, etc. Kazakh арқа (arqa), Kyrgyz арка (arka), Crimean Tatar arqa, Karachay-Balkar аркъа (arqa), Kumyk аркъа (arqa), Bashkir арҡа (arqa), Azerbaijani arxa, Turkish arka, Western Yugur arqa, etc.",
  "forms": [
    {
      "form": "arka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "alt",
        "2": "noun",
        "head": "",
        "tr": ""
      },
      "expansion": "арка • (arka)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "арка • (arka)",
      "name": "alt-noun"
    }
  ],
  "lang": "Southern Altai",
  "lang_code": "alt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Southern Altai entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "back"
      ],
      "id": "en-арка-alt-noun-PEgjRvN1",
      "links": [
        [
          "back",
          "back"
        ]
      ]
    }
  ],
  "word": "арка"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "alt",
        "2": "trk-pro",
        "3": "*arka"
      },
      "expansion": "Proto-Turkic *arka",
      "name": "inh"
    },
    {
      "args": {
        "1": "kk",
        "2": "арқа"
      },
      "expansion": "Kazakh арқа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ky",
        "2": "арка"
      },
      "expansion": "Kyrgyz арка (arka)",
      "name": "cog"
    },
    {
      "args": {
        "1": "crh",
        "2": "arqa"
      },
      "expansion": "Crimean Tatar arqa",
      "name": "cog"
    },
    {
      "args": {
        "1": "krc",
        "2": "аркъа"
      },
      "expansion": "Karachay-Balkar аркъа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "kum",
        "2": "аркъа"
      },
      "expansion": "Kumyk аркъа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ba",
        "2": "арҡа"
      },
      "expansion": "Bashkir арҡа (arqa)",
      "name": "cog"
    },
    {
      "args": {
        "1": "az",
        "2": "arxa"
      },
      "expansion": "Azerbaijani arxa",
      "name": "cog"
    },
    {
      "args": {
        "1": "tr",
        "2": "arka"
      },
      "expansion": "Turkish arka",
      "name": "cog"
    },
    {
      "args": {
        "1": "ybe",
        "2": "arqa"
      },
      "expansion": "Western Yugur arqa",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Turkic *arka, etc. Kazakh арқа (arqa), Kyrgyz арка (arka), Crimean Tatar arqa, Karachay-Balkar аркъа (arqa), Kumyk аркъа (arqa), Bashkir арҡа (arqa), Azerbaijani arxa, Turkish arka, Western Yugur arqa, etc.",
  "forms": [
    {
      "form": "arka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "alt",
        "2": "noun",
        "head": "",
        "tr": ""
      },
      "expansion": "арка • (arka)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "арка • (arka)",
      "name": "alt-noun"
    }
  ],
  "lang": "Southern Altai",
  "lang_code": "alt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 6 entries",
        "Pages with entries",
        "Southern Altai entries with incorrect language header",
        "Southern Altai lemmas",
        "Southern Altai nouns",
        "Southern Altai terms derived from Proto-Turkic",
        "Southern Altai terms inherited from Proto-Turkic"
      ],
      "glosses": [
        "back"
      ],
      "links": [
        [
          "back",
          "back"
        ]
      ]
    }
  ],
  "word": "арка"
}