"ert" meaning in Icelandic

{
  "etymology_links": [
    [
      "ert",
      "ert#Old_Norse"
    ],
    [
      "est",
      "est#Old_Norse"
    ],
    [
      "eart",
      "eart#Old_English"
    ],
    [
      "thou",
      "thou#English"
    ],
    [
      "art",
      "art#English"
    ],
    [
      "äst",
      "äst#Swedish"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "ert"
      },
      "expansion": "Old Norse ert",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "eart"
      },
      "expansion": "Old English eart",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "thou art"
      },
      "expansion": "English thou art",
      "name": "cog"
    },
    {
      "args": {
        "1": "sv",
        "2": "äst"
      },
      "expansion": "Swedish äst",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Norse ert, est. Akin to Old English eart (English thou art), Swedish äst.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "verb form"
      },
      "expansion": "ert",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 13 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "ertu"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              6
            ]
          ],
          "bold_translation_offsets": [
            [
              4,
              7
            ]
          ],
          "english": "You are fun. (referring to a girl)",
          "text": "Þú ert skemmtileg.",
          "translation": "You are fun. (referring to a girl)",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              5,
              8
            ]
          ],
          "bold_translation_offsets": [
            [
              4,
              7
            ]
          ],
          "english": "Who are you?",
          "text": "Hver ert þú?",
          "translation": "Who are you?",
          "type": "example"
        }
      ],
      "glosses": [
        "you are, second-person of vera (meaning \"to be\")"
      ],
      "id": "en-ert-is-verb-wnk-szzz",
      "links": [
        [
          "are",
          "are"
        ],
        [
          "vera",
          "vera#Icelandic"
        ],
        [
          "be",
          "be"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɛr̥t]"
    },
    {
      "ipa": "[ˈɛr̥t]"
    }
  ],
  "word": "ert"
}

{
  "derived": [
    {
      "word": "ertu"
    }
  ],
  "etymology_links": [
    [
      "ert",
      "ert#Old_Norse"
    ],
    [
      "est",
      "est#Old_Norse"
    ],
    [
      "eart",
      "eart#Old_English"
    ],
    [
      "thou",
      "thou#English"
    ],
    [
      "art",
      "art#English"
    ],
    [
      "äst",
      "äst#Swedish"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "ert"
      },
      "expansion": "Old Norse ert",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "eart"
      },
      "expansion": "Old English eart",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "thou art"
      },
      "expansion": "English thou art",
      "name": "cog"
    },
    {
      "args": {
        "1": "sv",
        "2": "äst"
      },
      "expansion": "Swedish äst",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Norse ert, est. Akin to Old English eart (English thou art), Swedish äst.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "verb form"
      },
      "expansion": "ert",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Icelandic 1-syllable words",
        "Icelandic entries with incorrect language header",
        "Icelandic non-lemma forms",
        "Icelandic terms derived from Old Norse",
        "Icelandic terms inherited from Old Norse",
        "Icelandic terms with IPA pronunciation",
        "Icelandic terms with usage examples",
        "Icelandic verb forms",
        "Pages with 13 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              6
            ]
          ],
          "bold_translation_offsets": [
            [
              4,
              7
            ]
          ],
          "english": "You are fun. (referring to a girl)",
          "text": "Þú ert skemmtileg.",
          "translation": "You are fun. (referring to a girl)",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              5,
              8
            ]
          ],
          "bold_translation_offsets": [
            [
              4,
              7
            ]
          ],
          "english": "Who are you?",
          "text": "Hver ert þú?",
          "translation": "Who are you?",
          "type": "example"
        }
      ],
      "glosses": [
        "you are, second-person of vera (meaning \"to be\")"
      ],
      "links": [
        [
          "are",
          "are"
        ],
        [
          "vera",
          "vera#Icelandic"
        ],
        [
          "be",
          "be"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɛr̥t]"
    },
    {
      "ipa": "[ˈɛr̥t]"
    }
  ],
  "word": "ert"
}