"синьо" meaning in Bulgaars

{
  "categories": [
    {
      "kind": "other",
      "name": "Woorden in het Bulgaars",
      "parents": [],
      "source": "w"
    }
  ],
  "hyphenation": "си·ньо",
  "lang": "Bulgaars",
  "lang_code": "bg",
  "pos": "adj",
  "pos_title": "Bijvoeglijk naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Bijvoeglijknaamwoordsvorm in het Bulgaars",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "син"
        }
      ],
      "glosses": [
        "onbepaalde vorm onzijdig enkelvoud van син"
      ],
      "id": "nl-синьо-bg-adj-Ljujq1At",
      "tags": [
        "form-of",
        "neuter"
      ]
    }
  ],
  "word": "синьо"
}

{
  "categories": [
    "Woorden in het Bulgaars"
  ],
  "hyphenation": "си·ньо",
  "lang": "Bulgaars",
  "lang_code": "bg",
  "pos": "adj",
  "pos_title": "Bijvoeglijk naamwoord",
  "senses": [
    {
      "categories": [
        "Bijvoeglijknaamwoordsvorm in het Bulgaars"
      ],
      "form_of": [
        {
          "word": "син"
        }
      ],
      "glosses": [
        "onbepaalde vorm onzijdig enkelvoud van син"
      ],
      "tags": [
        "form-of",
        "neuter"
      ]
    }
  ],
  "word": "синьо"
}