"pięcio-" meaning in Polish

{
  "head_templates": [
    {
      "args": {
        "1": "pl",
        "2": "prefix"
      },
      "expansion": "pięcio-",
      "name": "head"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pl",
          "name": "Five",
          "orig": "pl:Five",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "bój + pięcio- → pięciobój",
          "type": "example"
        }
      ],
      "glosses": [
        "five-"
      ],
      "id": "en-pięcio--pl-prefix-MoTDBBrQ",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈpjɛɲ.t͡ɕɔ/"
    }
  ],
  "word": "pięcio-"
}

{
  "head_templates": [
    {
      "args": {
        "1": "pl",
        "2": "prefix"
      },
      "expansion": "pięcio-",
      "name": "head"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Polish 2-syllable words",
        "Polish entries with incorrect language header",
        "Polish lemmas",
        "Polish prefixes",
        "Polish terms with IPA pronunciation",
        "pl:Five"
      ],
      "examples": [
        {
          "text": "bój + pięcio- → pięciobój",
          "type": "example"
        }
      ],
      "glosses": [
        "five-"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈpjɛɲ.t͡ɕɔ/"
    }
  ],
  "word": "pięcio-"
}