"certes" meaning in Middle English

{
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "fro",
        "3": "certes"
      },
      "expansion": "Old French certes",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Old French certes.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "adverb"
      },
      "expansion": "certes",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1387–1400, Geoffrey Chaucer, “The Parsons Tale”, in The Canterbury Tales, [Westminster: William Caxton, published 1478], →OCLC; republished in [William Thynne], editor, The Workes of Geffray Chaucer Newlye Printed, […], [London]: […] [Richard Grafton for] Iohn Reynes […], 1542, →OCLC, folio cvi, verso, column 1:",
          "text": "Of the hinder part of her buttockes it is ful horrible for to ſe, for certes in that parte of her body there as they purge her ſtynkynge ordure, that foul partie ſhew they to yͤ people proudly in diſpite of honeſtie, which honeſtie that Jeſu Christ and hys frendes obſerued to ſhewe in her life.",
          "type": "quote"
        }
      ],
      "glosses": [
        "certainly; indeed; of course"
      ],
      "id": "en-certes-enm-adv-9oAQx7qe",
      "links": [
        [
          "certainly",
          "certainly"
        ],
        [
          "indeed",
          "indeed"
        ],
        [
          "of course",
          "of course"
        ]
      ],
      "synonyms": [
        {
          "word": "certis"
        },
        {
          "word": "certus"
        },
        {
          "word": "certs"
        },
        {
          "word": "sertes"
        },
        {
          "word": "sertis"
        },
        {
          "word": "sertus"
        }
      ]
    }
  ],
  "word": "certes"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "fro",
        "3": "certes"
      },
      "expansion": "Old French certes",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Old French certes.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "adverb"
      },
      "expansion": "certes",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Middle English adverbs",
        "Middle English entries with incorrect language header",
        "Middle English lemmas",
        "Middle English terms borrowed from Old French",
        "Middle English terms derived from Old French",
        "Middle English terms with quotations",
        "Pages with 7 entries",
        "Pages with entries",
        "Requests for translations of Middle English quotations"
      ],
      "examples": [
        {
          "ref": "1387–1400, Geoffrey Chaucer, “The Parsons Tale”, in The Canterbury Tales, [Westminster: William Caxton, published 1478], →OCLC; republished in [William Thynne], editor, The Workes of Geffray Chaucer Newlye Printed, […], [London]: […] [Richard Grafton for] Iohn Reynes […], 1542, →OCLC, folio cvi, verso, column 1:",
          "text": "Of the hinder part of her buttockes it is ful horrible for to ſe, for certes in that parte of her body there as they purge her ſtynkynge ordure, that foul partie ſhew they to yͤ people proudly in diſpite of honeſtie, which honeſtie that Jeſu Christ and hys frendes obſerued to ſhewe in her life.",
          "type": "quote"
        }
      ],
      "glosses": [
        "certainly; indeed; of course"
      ],
      "links": [
        [
          "certainly",
          "certainly"
        ],
        [
          "indeed",
          "indeed"
        ],
        [
          "of course",
          "of course"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "certis"
    },
    {
      "word": "certus"
    },
    {
      "word": "certs"
    },
    {
      "word": "sertes"
    },
    {
      "word": "sertis"
    },
    {
      "word": "sertus"
    }
  ],
  "word": "certes"
}