"сынь" meaning in Erzya

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv",
        "2": "urj-mdv-pro",
        "3": "*siń"
      },
      "expansion": "Proto-Mordvinic *siń",
      "name": "inh"
    },
    {
      "args": {
        "1": "myv",
        "2": "urj-fpr-pro",
        "3": "*sej"
      },
      "expansion": "Proto-Finno-Permic *sej",
      "name": "inh"
    },
    {
      "args": {
        "1": "mdf",
        "2": "синь"
      },
      "expansion": "Moksha синь (śiń)",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "he"
      },
      "expansion": "Finnish he",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "hyö"
      },
      "expansion": "hyö",
      "name": "m"
    },
    {
      "args": {
        "1": "se",
        "2": "sii"
      },
      "expansion": "Northern Sami sii",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Mordvinic *siń, inherited from Proto-Finno-Permic *sej. Cognates include Moksha синь (śiń), Finnish he, hyö, Northern Sami sii.",
  "forms": [
    {
      "form": "siń",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "pronoun"
      },
      "expansion": "сынь • (siń)",
      "name": "head"
    }
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Erzya entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Erzya pronouns",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "After they had heard the king, they went on their way, and the star they had seen when it rose went ahead of them until it stopped over the place where the child was",
          "ref": "1865, Ferdinand Johann Wiedemann, Das Evangelium des Matthäus ersamordwinisch, page 4",
          "text": "Syń kultsonoź ińazorośt moľźt, i seste täštšeś, konań neize syń tši liśme pele, moľź ikelest, i saź lotkaź se tarkas värde, koso uľneź eikakšoś",
          "type": "quotation"
        }
      ],
      "glosses": [
        "they (third person plural)"
      ],
      "id": "en-сынь-myv-pron-EvUxXvjn",
      "links": [
        [
          "they",
          "they"
        ]
      ],
      "related": [
        {
          "english": "mon",
          "word": "мон"
        },
        {
          "roman": "miń",
          "word": "минь"
        },
        {
          "english": "ton",
          "word": "тон"
        },
        {
          "roman": "tiń",
          "word": "тынь"
        },
        {
          "english": "son",
          "word": "сон"
        }
      ]
    }
  ],
  "word": "сынь"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv",
        "2": "urj-mdv-pro",
        "3": "*siń"
      },
      "expansion": "Proto-Mordvinic *siń",
      "name": "inh"
    },
    {
      "args": {
        "1": "myv",
        "2": "urj-fpr-pro",
        "3": "*sej"
      },
      "expansion": "Proto-Finno-Permic *sej",
      "name": "inh"
    },
    {
      "args": {
        "1": "mdf",
        "2": "синь"
      },
      "expansion": "Moksha синь (śiń)",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "he"
      },
      "expansion": "Finnish he",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "hyö"
      },
      "expansion": "hyö",
      "name": "m"
    },
    {
      "args": {
        "1": "se",
        "2": "sii"
      },
      "expansion": "Northern Sami sii",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Mordvinic *siń, inherited from Proto-Finno-Permic *sej. Cognates include Moksha синь (śiń), Finnish he, hyö, Northern Sami sii.",
  "forms": [
    {
      "form": "siń",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "pronoun"
      },
      "expansion": "сынь • (siń)",
      "name": "head"
    }
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "pron",
  "related": [
    {
      "english": "mon",
      "word": "мон"
    },
    {
      "roman": "miń",
      "word": "минь"
    },
    {
      "english": "ton",
      "word": "тон"
    },
    {
      "roman": "tiń",
      "word": "тынь"
    },
    {
      "english": "son",
      "word": "сон"
    }
  ],
  "senses": [
    {
      "categories": [
        "Erzya entries with incorrect language header",
        "Erzya lemmas",
        "Erzya pronouns",
        "Erzya terms derived from Proto-Finno-Permic",
        "Erzya terms derived from Proto-Mordvinic",
        "Erzya terms inherited from Proto-Finno-Permic",
        "Erzya terms inherited from Proto-Mordvinic",
        "Erzya terms with quotations",
        "Requests for pronunciation in Erzya entries",
        "Requests for transliteration of Erzya quotations"
      ],
      "examples": [
        {
          "english": "After they had heard the king, they went on their way, and the star they had seen when it rose went ahead of them until it stopped over the place where the child was",
          "ref": "1865, Ferdinand Johann Wiedemann, Das Evangelium des Matthäus ersamordwinisch, page 4",
          "text": "Syń kultsonoź ińazorośt moľźt, i seste täštšeś, konań neize syń tši liśme pele, moľź ikelest, i saź lotkaź se tarkas värde, koso uľneź eikakšoś",
          "type": "quotation"
        }
      ],
      "glosses": [
        "they (third person plural)"
      ],
      "links": [
        [
          "they",
          "they"
        ]
      ]
    }
  ],
  "word": "сынь"
}