"πόθεν" meaning in Grec ancien

{
  "categories": [
    {
      "kind": "other",
      "name": "Adverbes interrogatifs en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dérivations en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en grec ancien suffixés avec -θεν",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec ancien",
      "orig": "grec ancien",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "ὁπόθεν"
    },
    {
      "lang": "Grec",
      "lang_code": "el",
      "word": "πουθενά"
    }
  ],
  "etymology_texts": [
    "Mot dérivé de πός, pós (« qui ? »), avec le suffixe -θεν, -then."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "adv",
  "pos_title": "Adverbe interrogatif",
  "raw_tags": [
    "πόθεν, póthen"
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Iliade",
          "text": "τίς πόθεν εἶς ἀνδρῶν, qui et d’où es-tu ?"
        }
      ],
      "glosses": [
        "D’où ?"
      ],
      "id": "fr-πόθεν-grc-adv-bSZk36TB"
    }
  ],
  "sounds": [
    {
      "ipa": "*\\pó.tʰen\\"
    }
  ],
  "tags": [
    "interrogative"
  ],
  "word": "πόθεν"
}

{
  "categories": [
    "Adverbes interrogatifs en grec ancien",
    "Dérivations en grec ancien",
    "Mots en grec ancien suffixés avec -θεν",
    "grec ancien"
  ],
  "derived": [
    {
      "word": "ὁπόθεν"
    },
    {
      "lang": "Grec",
      "lang_code": "el",
      "word": "πουθενά"
    }
  ],
  "etymology_texts": [
    "Mot dérivé de πός, pós (« qui ? »), avec le suffixe -θεν, -then."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "adv",
  "pos_title": "Adverbe interrogatif",
  "raw_tags": [
    "πόθεν, póthen"
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Iliade",
          "text": "τίς πόθεν εἶς ἀνδρῶν, qui et d’où es-tu ?"
        }
      ],
      "glosses": [
        "D’où ?"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "*\\pó.tʰen\\"
    }
  ],
  "tags": [
    "interrogative"
  ],
  "word": "πόθεν"
}