"blau" meaning in Interlingua

{
  "head_templates": [
    {
      "args": {
        "1": "ia",
        "2": "adjective"
      },
      "expansion": "blau",
      "name": "head"
    }
  ],
  "lang": "Interlingua",
  "lang_code": "ia",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Interlingua entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 10 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ia",
          "name": "Blues",
          "orig": "ia:Blues",
          "parents": [
            "Colors",
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ia",
          "name": "Colors of the rainbow",
          "orig": "ia:Colors of the rainbow",
          "parents": [
            "Colors",
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "blue (color/colour)"
      ],
      "id": "en-blau-ia-adj-aLfLp7X4",
      "links": [
        [
          "blue",
          "blue"
        ]
      ],
      "related": [
        {
          "word": "blanc"
        },
        {
          "word": "albe"
        },
        {
          "word": "gris"
        },
        {
          "word": "nigre"
        },
        {
          "word": "rubie"
        },
        {
          "word": "orange"
        },
        {
          "word": "brun"
        },
        {
          "word": "jalne"
        },
        {
          "word": "crema"
        },
        {
          "word": "verde lima"
        },
        {
          "word": "verde"
        },
        {
          "word": "verde mentha"
        },
        {
          "word": "acquamarine"
        },
        {
          "word": "cyano"
        },
        {
          "word": "azure"
        },
        {
          "word": "violette"
        },
        {
          "word": "indigo"
        },
        {
          "word": "magenta"
        },
        {
          "word": "purpure"
        },
        {
          "word": "rosate"
        }
      ]
    }
  ],
  "word": "blau"
}

{
  "categories": [
    "Pages with 10 entries",
    "Pages with entries",
    "Requests for inflections in West Frisian entries",
    "West Frisian adjectives",
    "West Frisian entries with incorrect language header",
    "West Frisian lemmas",
    "West Frisian neuter nouns",
    "West Frisian nouns",
    "West Frisian terms derived from Old Frisian",
    "West Frisian terms derived from Proto-Germanic",
    "West Frisian terms derived from Proto-Indo-European",
    "West Frisian terms derived from Proto-West Germanic",
    "West Frisian terms inherited from Old Frisian",
    "West Frisian terms inherited from Proto-Germanic",
    "West Frisian terms inherited from Proto-West Germanic",
    "fy:Blues",
    "fy:Colors of the rainbow"
  ],
  "head_templates": [
    {
      "args": {
        "1": "ia",
        "2": "adjective"
      },
      "expansion": "blau",
      "name": "head"
    }
  ],
  "lang": "Interlingua",
  "lang_code": "ia",
  "pos": "adj",
  "related": [
    {
      "word": "blanc"
    },
    {
      "word": "albe"
    },
    {
      "word": "gris"
    },
    {
      "word": "nigre"
    },
    {
      "word": "rubie"
    },
    {
      "word": "orange"
    },
    {
      "word": "brun"
    },
    {
      "word": "jalne"
    },
    {
      "word": "crema"
    },
    {
      "word": "verde lima"
    },
    {
      "word": "verde"
    },
    {
      "word": "verde mentha"
    },
    {
      "word": "acquamarine"
    },
    {
      "word": "cyano"
    },
    {
      "word": "azure"
    },
    {
      "word": "violette"
    },
    {
      "word": "indigo"
    },
    {
      "word": "magenta"
    },
    {
      "word": "purpure"
    },
    {
      "word": "rosate"
    }
  ],
  "senses": [
    {
      "categories": [
        "Interlingua adjectives",
        "Interlingua entries with incorrect language header",
        "Interlingua lemmas",
        "Pages with 10 entries",
        "Pages with entries",
        "ia:Blues",
        "ia:Colors of the rainbow"
      ],
      "glosses": [
        "blue (color/colour)"
      ],
      "links": [
        [
          "blue",
          "blue"
        ]
      ]
    }
  ],
  "word": "blau"
}