"-ily" meaning in English

{
  "etymology_text": "Combination of -y (“adjectival suffix”) + -ly (“adverbial suffix”), with -y changed to -i-.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-ily",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-ily",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "greed → greedy → greedily",
          "type": "example"
        },
        {
          "text": "noise → noisy → noisily",
          "type": "example"
        },
        {
          "text": "fun → funny → funnily",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms adverbs from nouns and verbs whose derived adjectives are suffixed with -y."
      ],
      "id": "en--ily-en-suffix-2KBUnbnh",
      "links": [
        [
          "-y",
          "-y#English"
        ]
      ],
      "related": [
        {
          "word": "-ally"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ily"
}

{
  "etymology_text": "Combination of -y (“adjectival suffix”) + -ly (“adverbial suffix”), with -y changed to -i-.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-ily",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-ily",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "related": [
    {
      "word": "-ally"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English suffixes",
        "English terms with usage examples",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "text": "greed → greedy → greedily",
          "type": "example"
        },
        {
          "text": "noise → noisy → noisily",
          "type": "example"
        },
        {
          "text": "fun → funny → funnily",
          "type": "example"
        }
      ],
      "glosses": [
        "Forms adverbs from nouns and verbs whose derived adjectives are suffixed with -y."
      ],
      "links": [
        [
          "-y",
          "-y#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ily"
}