"-txi" meaning in Basque

{
  "head_templates": [
    {
      "args": {
        "1": "eu",
        "2": "suffix"
      },
      "expansion": "-txi",
      "name": "head"
    }
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Basque entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "aita (“father”) + -txi → aitatxi (“granddad, grandpa”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Diminutive suffix, sometimes used for other purposes."
      ],
      "id": "en--txi-eu-suffix-1217pP9L",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡ʃi/"
    },
    {
      "ipa": "[t͡ʃi]"
    }
  ],
  "word": "-txi"
}

{
  "head_templates": [
    {
      "args": {
        "1": "eu",
        "2": "suffix"
      },
      "expansion": "-txi",
      "name": "head"
    }
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Basque entries with incorrect language header",
        "Basque lemmas",
        "Basque suffixes",
        "Basque terms with IPA pronunciation",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "aita (“father”) + -txi → aitatxi (“granddad, grandpa”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Diminutive suffix, sometimes used for other purposes."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡ʃi/"
    },
    {
      "ipa": "[t͡ʃi]"
    }
  ],
  "word": "-txi"
}