"agoing" meaning in English

{
  "etymology_links": [
    [
      "a-",
      "a-#English:_on"
    ],
    [
      "going",
      "going#English"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "a-<id:on>",
        "4": "going",
        "text": "+",
        "tree": "1"
      },
      "expansion": "From a- + going.",
      "name": "ety"
    },
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "a-<id:on>",
        "4": "going",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *h₂en-der.\nProto-Germanic *an\nProto-West Germanic *ana\nOld English on\nMiddle English an\nMiddle English a-\nEnglish a-\nEnglish going\nEnglish agoing\nFrom a- + going.",
      "name": "ety"
    }
  ],
  "etymology_text": "From a- + going.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "agoing",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with a- (on)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "go"
        }
      ],
      "glosses": [
        "present participle and gerund of go"
      ],
      "id": "en-agoing-en-verb-ZMDcX5hD",
      "links": [
        [
          "go",
          "go#English"
        ]
      ],
      "raw_glosses": [
        "(archaic, dialectal) present participle and gerund of go"
      ],
      "tags": [
        "archaic",
        "dialectal",
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "word": "agoing"
}

{
  "etymology_links": [
    [
      "a-",
      "a-#English:_on"
    ],
    [
      "going",
      "going#English"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "a-<id:on>",
        "4": "going",
        "text": "+",
        "tree": "1"
      },
      "expansion": "From a- + going.",
      "name": "ety"
    },
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "a-<id:on>",
        "4": "going",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *h₂en-der.\nProto-Germanic *an\nProto-West Germanic *ana\nOld English on\nMiddle English an\nMiddle English a-\nEnglish a-\nEnglish going\nEnglish agoing\nFrom a- + going.",
      "name": "ety"
    }
  ],
  "etymology_text": "From a- + going.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "agoing",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English dialectal terms",
        "English entries referencing missing etymons",
        "English entries with etymology texts",
        "English entries with etymology trees",
        "English entries with etymon",
        "English entries with incorrect language header",
        "English non-lemma forms",
        "English terms derived from the Proto-Indo-European root *h₂en-",
        "English terms prefixed with a- (on)",
        "English terms with archaic senses",
        "English verb forms",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymology trees",
        "Pages with etymon"
      ],
      "form_of": [
        {
          "word": "go"
        }
      ],
      "glosses": [
        "present participle and gerund of go"
      ],
      "links": [
        [
          "go",
          "go#English"
        ]
      ],
      "raw_glosses": [
        "(archaic, dialectal) present participle and gerund of go"
      ],
      "tags": [
        "archaic",
        "dialectal",
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "word": "agoing"
}