"почо" meaning in Erzya

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "forms": [
    {
      "form": "počo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "noun"
      },
      "expansion": "почо • (počo)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "по‧чо"
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Erzya entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "myv",
          "name": "Body parts",
          "orig": "myv:Body parts",
          "parents": [
            "Body",
            "Anatomy",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "navel"
      ],
      "id": "en-почо-myv-noun-1iegkLAD",
      "links": [
        [
          "navel",
          "navel"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pot͡ʃo/"
    }
  ],
  "word": "почо"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "forms": [
    {
      "form": "počo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "noun"
      },
      "expansion": "почо • (počo)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "по‧чо"
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Erzya entries with incorrect language header",
        "Erzya lemmas",
        "Erzya nouns",
        "Erzya terms with IPA pronunciation",
        "Erzya terms with unknown etymologies",
        "myv:Body parts"
      ],
      "glosses": [
        "navel"
      ],
      "links": [
        [
          "navel",
          "navel"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pot͡ʃo/"
    }
  ],
  "word": "почо"
}