"many a time and oft" meaning in English

{
  "etymology_text": "Repetition for emphasis.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "many a time and oft"
      },
      "expansion": "many a time and oft (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1798, William Wordsworth, “The Thorn”, in Henry Reed, editor, The Complete Poetical Works of William Wordsworth, published 1851, page 183",
          "text": "And all that winter, when at night\nThe wind blew from the mountain-peak,\n'Twas worth your while, though in the dark,\nThe church-yard path to seek:\nFor many a time and oft were heard\nCries coming from the mountain-head:",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Frequently."
      ],
      "id": "en-many_a_time_and_oft-en-adv-sW5wDS0j",
      "links": [
        [
          "Frequently",
          "frequently"
        ]
      ],
      "raw_glosses": [
        "(archaic or literary, idiomatic) Frequently."
      ],
      "tags": [
        "archaic",
        "idiomatic",
        "literary",
        "not-comparable"
      ]
    }
  ],
  "word": "many a time and oft"
}

{
  "etymology_text": "Repetition for emphasis.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "many a time and oft"
      },
      "expansion": "many a time and oft (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English literary terms",
        "English multiword terms",
        "English terms with archaic senses",
        "English terms with quotations",
        "English uncomparable adverbs"
      ],
      "examples": [
        {
          "ref": "1798, William Wordsworth, “The Thorn”, in Henry Reed, editor, The Complete Poetical Works of William Wordsworth, published 1851, page 183",
          "text": "And all that winter, when at night\nThe wind blew from the mountain-peak,\n'Twas worth your while, though in the dark,\nThe church-yard path to seek:\nFor many a time and oft were heard\nCries coming from the mountain-head:",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Frequently."
      ],
      "links": [
        [
          "Frequently",
          "frequently"
        ]
      ],
      "raw_glosses": [
        "(archaic or literary, idiomatic) Frequently."
      ],
      "tags": [
        "archaic",
        "idiomatic",
        "literary",
        "not-comparable"
      ]
    }
  ],
  "word": "many a time and oft"
}