"quadri-" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "itc-pro",
        "3": "*kʷatru-"
      },
      "expansion": "Proto-Italic *kʷatru-",
      "name": "der"
    },
    {
      "args": {
        "1": "la",
        "2": "ine-pro",
        "3": "*kʷetwr̥-"
      },
      "expansion": "Proto-Indo-European *kʷetwr̥-",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "τετρα-"
      },
      "expansion": "Ancient Greek τετρα- (tetra-)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Italic *kʷatru-, from Proto-Indo-European *kʷetwr̥-, with -twr- developing into -dr-; compare the full form quattuor, ultimately from *kʷetwóres. Analogous to Ancient Greek τετρα- (tetra-) vs. τέτταρες (téttares, “four”).",
  "forms": [
    {
      "form": "quadru-",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "quadr-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "prefix"
      },
      "expansion": "quadri-",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "la",
          "name": "Four",
          "orig": "la:Four",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "four, quadri-"
      ],
      "id": "en-quadri--la-prefix--4FL8KJq",
      "links": [
        [
          "four",
          "four"
        ],
        [
          "quadri-",
          "#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "quadri-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "itc-pro",
        "3": "*kʷatru-"
      },
      "expansion": "Proto-Italic *kʷatru-",
      "name": "der"
    },
    {
      "args": {
        "1": "la",
        "2": "ine-pro",
        "3": "*kʷetwr̥-"
      },
      "expansion": "Proto-Indo-European *kʷetwr̥-",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "τετρα-"
      },
      "expansion": "Ancient Greek τετρα- (tetra-)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Italic *kʷatru-, from Proto-Indo-European *kʷetwr̥-, with -twr- developing into -dr-; compare the full form quattuor, ultimately from *kʷetwóres. Analogous to Ancient Greek τετρα- (tetra-) vs. τέτταρες (téttares, “four”).",
  "forms": [
    {
      "form": "quadru-",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "quadr-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "prefix"
      },
      "expansion": "quadri-",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin prefixes",
        "Latin terms derived from Proto-Indo-European",
        "Latin terms derived from Proto-Italic",
        "Pages using catfix",
        "Pages with 4 entries",
        "Pages with entries",
        "la:Four"
      ],
      "glosses": [
        "four, quadri-"
      ],
      "links": [
        [
          "four",
          "four"
        ],
        [
          "quadri-",
          "#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "quadri-"
}