"diminutival" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dīminutīvus<lang:la>",
        "3": "al"
      },
      "expansion": "Latin dīminutīvus + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Latin dīminutīvus + -al.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "diminutival (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -al",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Indicating diminution; diminutive."
      ],
      "id": "en-diminutival-en-adj-K6cQg2Vk",
      "links": [
        [
          "diminution",
          "diminution"
        ],
        [
          "diminutive",
          "diminutive"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪvəl"
    }
  ],
  "word": "diminutival"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dīminutīvus<lang:la>",
        "3": "al"
      },
      "expansion": "Latin dīminutīvus + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Latin dīminutīvus + -al.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "diminutival (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms derived from Latin",
        "English terms suffixed with -al",
        "English uncomparable adjectives",
        "Rhymes:English/aɪvəl",
        "Rhymes:English/aɪvəl/5 syllables"
      ],
      "glosses": [
        "Indicating diminution; diminutive."
      ],
      "links": [
        [
          "diminution",
          "diminution"
        ],
        [
          "diminutive",
          "diminutive"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪvəl"
    }
  ],
  "word": "diminutival"
}