"vae" meaning in Latin

{
  "descendants": [
    {
      "lang": "Italian",
      "lang_code": "it",
      "word": "guai"
    },
    {
      "lang": "Old French",
      "lang_code": "fro",
      "word": "vé"
    },
    {
      "lang": "Romanian",
      "lang_code": "ro",
      "word": "vai"
    },
    {
      "lang": "Sicilian",
      "lang_code": "scn",
      "word": "vai"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "ine-pro",
        "3": "*wáy"
      },
      "expansion": "Proto-Indo-European *wáy",
      "name": "inh"
    },
    {
      "args": {
        "1": "grc",
        "2": "οὐαί"
      },
      "expansion": "Ancient Greek οὐαί (ouaí)",
      "name": "cog"
    },
    {
      "args": {
        "1": "got",
        "2": "𐍅𐌰𐌹"
      },
      "expansion": "Gothic 𐍅𐌰𐌹 (wai)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Indo-European *wáy. Cognate with Ancient Greek οὐαί (ouaí), Gothic 𐍅𐌰𐌹 (wai).",
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "intj"
      },
      "expansion": "vae",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 8 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              3
            ]
          ],
          "bold_translation_offsets": [
            [
              0,
              3
            ]
          ],
          "english": "Woe to the conquered!",
          "text": "Vae victīs!",
          "translation": "Woe to the conquered!",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              0,
              3
            ]
          ],
          "bold_translation_offsets": [
            [
              0,
              7
            ]
          ],
          "english": "Dear me, I think I'm becoming a god.",
          "text": "Vae, putō deus fīō.",
          "translation": "Dear me, I think I'm becoming a god.",
          "type": "example"
        }
      ],
      "glosses": [
        "woe, alas"
      ],
      "id": "en-vae-la-intj-KG26VxO5",
      "links": [
        [
          "woe",
          "woe"
        ],
        [
          "alas",
          "alas"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈwae̯]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[ˈvɛː]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "vae"
}

{
  "categories": [
    "Pages with 8 entries",
    "Pages with entries",
    "tkl:Limbs"
  ],
  "descendants": [
    {
      "lang": "Italian",
      "lang_code": "it",
      "word": "guai"
    },
    {
      "lang": "Old French",
      "lang_code": "fro",
      "word": "vé"
    },
    {
      "lang": "Romanian",
      "lang_code": "ro",
      "word": "vai"
    },
    {
      "lang": "Sicilian",
      "lang_code": "scn",
      "word": "vai"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "ine-pro",
        "3": "*wáy"
      },
      "expansion": "Proto-Indo-European *wáy",
      "name": "inh"
    },
    {
      "args": {
        "1": "grc",
        "2": "οὐαί"
      },
      "expansion": "Ancient Greek οὐαί (ouaí)",
      "name": "cog"
    },
    {
      "args": {
        "1": "got",
        "2": "𐍅𐌰𐌹"
      },
      "expansion": "Gothic 𐍅𐌰𐌹 (wai)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Indo-European *wáy. Cognate with Ancient Greek οὐαί (ouaí), Gothic 𐍅𐌰𐌹 (wai).",
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "intj"
      },
      "expansion": "vae",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Latin 1-syllable words",
        "Latin entries with incorrect language header",
        "Latin interjections",
        "Latin lemmas",
        "Latin terms derived from Proto-Indo-European",
        "Latin terms inherited from Proto-Indo-European",
        "Latin terms with IPA pronunciation",
        "Latin terms with usage examples",
        "Pages with 8 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              3
            ]
          ],
          "bold_translation_offsets": [
            [
              0,
              3
            ]
          ],
          "english": "Woe to the conquered!",
          "text": "Vae victīs!",
          "translation": "Woe to the conquered!",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              0,
              3
            ]
          ],
          "bold_translation_offsets": [
            [
              0,
              7
            ]
          ],
          "english": "Dear me, I think I'm becoming a god.",
          "text": "Vae, putō deus fīō.",
          "translation": "Dear me, I think I'm becoming a god.",
          "type": "example"
        }
      ],
      "glosses": [
        "woe, alas"
      ],
      "links": [
        [
          "woe",
          "woe"
        ],
        [
          "alas",
          "alas"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈwae̯]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[ˈvɛː]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "vae"
}