"есь" meaning in Russian

{
  "forms": [
    {
      "form": "е́сь",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jésʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "е́сь"
      },
      "expansion": "е́сь • (jésʹ)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Thou art the light from where the light has come.\nThou who created all with one thy word,\nspreading in new creation,\nThou wast, thou art, thou wilt be forever.",
          "ref": "1784, Gavrila Derzhavin, Бог [The God]",
          "roman": "Ty byl, ty jes' ty budesh' vvek.",
          "text": "Ты свет, откуда свет истёк.\nСоздавый всe единым словом,\nВ твореньи простираясь новом,\nТы был, ты есь, ты будешь ввек!\nTy svet, otkuda svet istyok.\nSozdavyj vsyo jedinym slovom,\nv tvorenyi prostirajas' novom,",
          "type": "quotation"
        },
        {
          "english": "You want to overcome me with realism, to convince me that you are, but I don't want to believe you are! I won't believe it!!",
          "ref": "1880, Fyodor Dostoyevsky, Братья Карамазовы [The Brothers Karamazov]",
          "roman": "Ty khóchesh' poborót' menyá realízmom, uvérit' menyá, chto ty jes', no ja ne khochú verit', chto ty jes'! Ne povéryu!!",
          "text": "Ты хочешь побороть меня реализмом, уверить меня, что ты есь, но я не хочу верить, что ты есь! Не поверю!!",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "extra": "(bytʹ); (you) are, (thou) art",
          "word": "быть"
        }
      ],
      "glosses": [
        "second-person singular present indicative imperfective of быть (bytʹ); (you) are, (thou) art"
      ],
      "id": "en-есь-ru-verb-feL0ZQbp",
      "links": [
        [
          "быть",
          "быть#Russian"
        ],
        [
          "you",
          "you"
        ],
        [
          "are",
          "are"
        ],
        [
          "thou",
          "thou"
        ],
        [
          "art",
          "art"
        ]
      ],
      "raw_glosses": [
        "(archaic) second-person singular present indicative imperfective of быть (bytʹ); (you) are, (thou) art"
      ],
      "synonyms": [
        {
          "roman": "jesi",
          "word": "еси"
        }
      ],
      "tags": [
        "archaic",
        "form-of",
        "imperfective",
        "indicative",
        "present",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈjesʲ]"
    },
    {
      "rhymes": "-esʲ"
    }
  ],
  "word": "есь"
}

{
  "forms": [
    {
      "form": "е́сь",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jésʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "е́сь"
      },
      "expansion": "е́сь • (jésʹ)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Rhymes:Russian/esʲ",
        "Rhymes:Russian/esʲ/1 syllable",
        "Russian 1-syllable words",
        "Russian entries with incorrect language header",
        "Russian non-lemma forms",
        "Russian terms with IPA pronunciation",
        "Russian terms with archaic senses",
        "Russian terms with quotations",
        "Russian verb forms"
      ],
      "examples": [
        {
          "english": "Thou art the light from where the light has come.\nThou who created all with one thy word,\nspreading in new creation,\nThou wast, thou art, thou wilt be forever.",
          "ref": "1784, Gavrila Derzhavin, Бог [The God]",
          "roman": "Ty byl, ty jes' ty budesh' vvek.",
          "text": "Ты свет, откуда свет истёк.\nСоздавый всe единым словом,\nВ твореньи простираясь новом,\nТы был, ты есь, ты будешь ввек!\nTy svet, otkuda svet istyok.\nSozdavyj vsyo jedinym slovom,\nv tvorenyi prostirajas' novom,",
          "type": "quotation"
        },
        {
          "english": "You want to overcome me with realism, to convince me that you are, but I don't want to believe you are! I won't believe it!!",
          "ref": "1880, Fyodor Dostoyevsky, Братья Карамазовы [The Brothers Karamazov]",
          "roman": "Ty khóchesh' poborót' menyá realízmom, uvérit' menyá, chto ty jes', no ja ne khochú verit', chto ty jes'! Ne povéryu!!",
          "text": "Ты хочешь побороть меня реализмом, уверить меня, что ты есь, но я не хочу верить, что ты есь! Не поверю!!",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "extra": "(bytʹ); (you) are, (thou) art",
          "word": "быть"
        }
      ],
      "glosses": [
        "second-person singular present indicative imperfective of быть (bytʹ); (you) are, (thou) art"
      ],
      "links": [
        [
          "быть",
          "быть#Russian"
        ],
        [
          "you",
          "you"
        ],
        [
          "are",
          "are"
        ],
        [
          "thou",
          "thou"
        ],
        [
          "art",
          "art"
        ]
      ],
      "raw_glosses": [
        "(archaic) second-person singular present indicative imperfective of быть (bytʹ); (you) are, (thou) art"
      ],
      "tags": [
        "archaic",
        "form-of",
        "imperfective",
        "indicative",
        "present",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈjesʲ]"
    },
    {
      "rhymes": "-esʲ"
    }
  ],
  "synonyms": [
    {
      "roman": "jesi",
      "word": "еси"
    }
  ],
  "word": "есь"
}