"peri-" meaning in Finnish

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "very"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "fi",
        "2": "perä",
        "3": "i",
        "id2": "nominal"
      },
      "expansion": "perä + -i",
      "name": "suffix"
    }
  ],
  "etymology_text": "< perä + -i",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix"
      },
      "expansion": "peri-",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "19 16 23 35 0 3 5",
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "19 10 23 42 0 2 3",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Finnish terms suffixed with -i (nominal)",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "very, to the core"
      ],
      "id": "en-peri--fi-prefix-7-fB9xnd",
      "links": [
        [
          "very",
          "very"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈperi-/"
    },
    {
      "ipa": "[ˈpe̞ri-]"
    }
  ],
  "word": "peri-"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "peri-"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "fi",
        "2": "grc",
        "3": "περί"
      },
      "expansion": "Ancient Greek περί (perí)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek περί (perí).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix"
      },
      "expansion": "peri-",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "peri-"
      ],
      "id": "en-peri--fi-prefix-5zXRxbjM",
      "links": [
        [
          "peri-",
          "#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈperi-/"
    },
    {
      "ipa": "[ˈpe̞ri-]"
    }
  ],
  "word": "peri-"
}

{
  "categories": [
    "Finnish entries with incorrect language header",
    "Finnish lemmas",
    "Finnish prefixes",
    "Finnish terms derived from Ancient Greek",
    "Finnish terms suffixed with -i (nominal)",
    "Finnish terms with IPA pronunciation",
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "very"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "fi",
        "2": "perä",
        "3": "i",
        "id2": "nominal"
      },
      "expansion": "perä + -i",
      "name": "suffix"
    }
  ],
  "etymology_text": "< perä + -i",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix"
      },
      "expansion": "peri-",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "very, to the core"
      ],
      "links": [
        [
          "very",
          "very"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈperi-/"
    },
    {
      "ipa": "[ˈpe̞ri-]"
    }
  ],
  "word": "peri-"
}

{
  "categories": [
    "Finnish entries with incorrect language header",
    "Finnish lemmas",
    "Finnish prefixes",
    "Finnish terms derived from Ancient Greek",
    "Finnish terms with IPA pronunciation",
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "peri-"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "fi",
        "2": "grc",
        "3": "περί"
      },
      "expansion": "Ancient Greek περί (perí)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek περί (perí).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "prefix"
      },
      "expansion": "peri-",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "peri-"
      ],
      "links": [
        [
          "peri-",
          "#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈperi-/"
    },
    {
      "ipa": "[ˈpe̞ri-]"
    }
  ],
  "word": "peri-"
}