"ἄδηλον" meaning in Ancient Greek

{
  "forms": [
    {
      "form": "ádēlon",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ἄδηλον"
      },
      "expansion": "ἄδηλον • (ádēlon)",
      "name": "grc-adjective form"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "56 44",
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "56 44",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "62 38",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "(ádēlos):",
          "word": "ἄδηλος"
        }
      ],
      "glosses": [
        "inflection of ἄδηλος (ádēlos):",
        "neuter nominative/vocative/accusative singular"
      ],
      "id": "en-ἄδηλον-grc-adj-X4G1~CPM",
      "links": [
        [
          "ἄδηλος",
          "ἄδηλος#Ancient_Greek"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "neuter",
        "nominative",
        "singular",
        "vocative"
      ]
    },
    {
      "form_of": [
        {
          "extra": "(ádēlos):",
          "word": "ἄδηλος"
        }
      ],
      "glosses": [
        "inflection of ἄδηλος (ádēlos):",
        "masculine/feminine accusative singular"
      ],
      "id": "en-ἄδηλον-grc-adj-K-iEZbJ6",
      "links": [
        [
          "ἄδηλος",
          "ἄδηλος#Ancient_Greek"
        ]
      ],
      "tags": [
        "accusative",
        "feminine",
        "form-of",
        "masculine",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/á.dɛː.lon/"
    },
    {
      "ipa": "/ˈa.ði.lon/"
    },
    {
      "ipa": "/ˈa.ði.lon/"
    },
    {
      "ipa": "/á.dɛː.lon/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/ˈa.de̝.lon/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ˈa.ði.lon/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ˈa.ði.lon/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ˈa.ði.lon/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "ἄδηλον"
}

{
  "categories": [
    "Ancient Greek 3-syllable words",
    "Ancient Greek adjective forms",
    "Ancient Greek entries with incorrect language header",
    "Ancient Greek non-lemma forms",
    "Ancient Greek proparoxytone terms",
    "Ancient Greek terms with IPA pronunciation",
    "Ancient Greek terms with redundant head parameter",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "ádēlon",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ἄδηλον"
      },
      "expansion": "ἄδηλον • (ádēlon)",
      "name": "grc-adjective form"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "adj",
  "senses": [
    {
      "form_of": [
        {
          "extra": "(ádēlos):",
          "word": "ἄδηλος"
        }
      ],
      "glosses": [
        "inflection of ἄδηλος (ádēlos):",
        "neuter nominative/vocative/accusative singular"
      ],
      "links": [
        [
          "ἄδηλος",
          "ἄδηλος#Ancient_Greek"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "neuter",
        "nominative",
        "singular",
        "vocative"
      ]
    },
    {
      "form_of": [
        {
          "extra": "(ádēlos):",
          "word": "ἄδηλος"
        }
      ],
      "glosses": [
        "inflection of ἄδηλος (ádēlos):",
        "masculine/feminine accusative singular"
      ],
      "links": [
        [
          "ἄδηλος",
          "ἄδηλος#Ancient_Greek"
        ]
      ],
      "tags": [
        "accusative",
        "feminine",
        "form-of",
        "masculine",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/á.dɛː.lon/"
    },
    {
      "ipa": "/ˈa.ði.lon/"
    },
    {
      "ipa": "/ˈa.ði.lon/"
    },
    {
      "ipa": "/á.dɛː.lon/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/ˈa.de̝.lon/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ˈa.ði.lon/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ˈa.ði.lon/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ˈa.ði.lon/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "ἄδηλον"
}