"-to" meaning in Basque

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "eu"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "xaq",
        "2": "*nescato"
      },
      "expansion": "Aquitanian *nescato",
      "name": "cog"
    }
  ],
  "etymology_text": "Unknown, probably attested in Aquitanian *nescato.",
  "head_templates": [
    {
      "args": {
        "1": "eu",
        "2": "suffix"
      },
      "expansion": "-to",
      "name": "head"
    }
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "43 43 14",
          "kind": "other",
          "name": "Basque entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Diminutive suffix."
      ],
      "id": "en--to-eu-suffix-tHvf~dzU",
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "43 43 14",
          "kind": "other",
          "name": "Basque entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Augmentative suffix."
      ],
      "id": "en--to-eu-suffix-E9~XRkMh",
      "qualifier": "non-productive",
      "raw_glosses": [
        "(rare, non-productive) Augmentative suffix."
      ],
      "tags": [
        "morpheme",
        "rare"
      ]
    }
  ],
  "word": "-to"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "eu"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "head_templates": [
    {
      "args": {
        "1": "eu",
        "2": "suffix"
      },
      "expansion": "-to",
      "name": "head"
    }
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Biscayan Basque",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "43 43 14",
          "kind": "other",
          "name": "Basque entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Forms adverbs from adjectives."
      ],
      "id": "en--to-eu-suffix-xJ-xAe~n",
      "raw_glosses": [
        "(Biscayan) Forms adverbs from adjectives."
      ],
      "synonyms": [
        {
          "word": "-ki"
        }
      ],
      "tags": [
        "Biscayan",
        "morpheme"
      ]
    }
  ],
  "word": "-to"
}

{
  "categories": [
    "Basque entries with incorrect language header",
    "Basque lemmas",
    "Basque suffixes",
    "Basque terms with unknown etymologies",
    "Pages using catfix",
    "Pages with 8 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "eu"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "xaq",
        "2": "*nescato"
      },
      "expansion": "Aquitanian *nescato",
      "name": "cog"
    }
  ],
  "etymology_text": "Unknown, probably attested in Aquitanian *nescato.",
  "head_templates": [
    {
      "args": {
        "1": "eu",
        "2": "suffix"
      },
      "expansion": "-to",
      "name": "head"
    }
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "Diminutive suffix."
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        "Basque terms with rare senses"
      ],
      "glosses": [
        "Augmentative suffix."
      ],
      "qualifier": "non-productive",
      "raw_glosses": [
        "(rare, non-productive) Augmentative suffix."
      ],
      "tags": [
        "morpheme",
        "rare"
      ]
    }
  ],
  "word": "-to"
}

{
  "categories": [
    "Basque entries with incorrect language header",
    "Basque lemmas",
    "Basque suffixes",
    "Basque terms with unknown etymologies",
    "Pages using catfix",
    "Pages with 8 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "eu"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "head_templates": [
    {
      "args": {
        "1": "eu",
        "2": "suffix"
      },
      "expansion": "-to",
      "name": "head"
    }
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Biscayan Basque"
      ],
      "glosses": [
        "Forms adverbs from adjectives."
      ],
      "raw_glosses": [
        "(Biscayan) Forms adverbs from adjectives."
      ],
      "synonyms": [
        {
          "word": "-ki"
        }
      ],
      "tags": [
        "Biscayan",
        "morpheme"
      ]
    }
  ],
  "word": "-to"
}