"blu" meaning in Tok Pisin

{
  "etymology_templates": [
    {
      "args": {
        "1": "tpi",
        "2": "en",
        "3": "blue"
      },
      "expansion": "English blue",
      "name": "inh"
    }
  ],
  "etymology_text": "From English blue.",
  "head_templates": [
    {
      "args": {
        "1": "tpi",
        "2": "adjective"
      },
      "expansion": "blu",
      "name": "head"
    }
  ],
  "lang": "Tok Pisin",
  "lang_code": "tpi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 16 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tok Pisin entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "tpi",
          "name": "Blues",
          "orig": "tpi:Blues",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "tpi",
          "name": "Colors of the rainbow",
          "orig": "tpi:Colors of the rainbow",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "blupela"
        }
      ],
      "glosses": [
        "blue (color/colour)"
      ],
      "id": "en-blu-tpi-adj-aLfLp7X4",
      "links": [
        [
          "blue",
          "blue"
        ]
      ],
      "synonyms": [
        {
          "word": "blupela"
        }
      ]
    }
  ],
  "word": "blu"
}

{
  "derived": [
    {
      "word": "blupela"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "tpi",
        "2": "en",
        "3": "blue"
      },
      "expansion": "English blue",
      "name": "inh"
    }
  ],
  "etymology_text": "From English blue.",
  "head_templates": [
    {
      "args": {
        "1": "tpi",
        "2": "adjective"
      },
      "expansion": "blu",
      "name": "head"
    }
  ],
  "lang": "Tok Pisin",
  "lang_code": "tpi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 16 entries",
        "Pages with entries",
        "Tok Pisin adjectives",
        "Tok Pisin entries with incorrect language header",
        "Tok Pisin lemmas",
        "Tok Pisin terms derived from English",
        "Tok Pisin terms inherited from English",
        "tpi:Blues",
        "tpi:Colors of the rainbow"
      ],
      "glosses": [
        "blue (color/colour)"
      ],
      "links": [
        [
          "blue",
          "blue"
        ]
      ],
      "synonyms": [
        {
          "word": "blupela"
        }
      ]
    }
  ],
  "word": "blu"
}