"το δέον γενέσθαι" meaning in Greek

{
  "etymology_templates": [
    {
      "args": {
        "1": "el",
        "2": "grc",
        "3": "-"
      },
      "expansion": "Ancient Greek",
      "name": "bor"
    },
    {
      "args": {
        "1": "grc",
        "2": "τό"
      },
      "expansion": "τό (tó)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "δέον"
      },
      "expansion": "δέον (déon)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "δέω#Etymology_2",
        "3": "δέω²",
        "t": "to need"
      },
      "expansion": "δέω² (déō², “to need”)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "γενέσθαι"
      },
      "expansion": "γενέσθαι (genésthai)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "γίγνομαι",
        "t": "to become"
      },
      "expansion": "γίγνομαι (gígnomai, “to become”)",
      "name": "m"
    }
  ],
  "etymology_text": "Learned stereotype expression from Katharevousa, from Ancient Greek:\nSingular neuter article τό (tó) + neuter present participle δέον (déon) (of δέω² (déō², “to need”)) + middle aorist infinitive γενέσθαι (genésthai) of γίγνομαι (gígnomai, “to become”).",
  "forms": [
    {
      "form": "to déon genésthai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "phrase"
      },
      "expansion": "το δέον γενέσθαι • (to déon genésthai)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek links with manual fragments",
          "parents": [
            "Links with manual fragments",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Katharevousa",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The politicians should contemplate on what must be done.",
          "roman": "As skeftoún oi politikoí to déon genésthai.",
          "text": "Ας σκεφτούν οι πολιτικοί το δέον γενέσθαι.",
          "type": "example"
        }
      ],
      "glosses": [
        "that which must be done"
      ],
      "id": "en-το_δέον_γενέσθαι-el-phrase-9Fpzkmci",
      "raw_glosses": [
        "(Katharevousa) that which must be done"
      ],
      "related": [
        {
          "word": "τι δέον γενέσθαι"
        }
      ],
      "tags": [
        "Katharevousa"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/to ˈðeon ʝeˈnesθe/"
    }
  ],
  "word": "το δέον γενέσθαι"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "el",
        "2": "grc",
        "3": "-"
      },
      "expansion": "Ancient Greek",
      "name": "bor"
    },
    {
      "args": {
        "1": "grc",
        "2": "τό"
      },
      "expansion": "τό (tó)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "δέον"
      },
      "expansion": "δέον (déon)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "δέω#Etymology_2",
        "3": "δέω²",
        "t": "to need"
      },
      "expansion": "δέω² (déō², “to need”)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "γενέσθαι"
      },
      "expansion": "γενέσθαι (genésthai)",
      "name": "m"
    },
    {
      "args": {
        "1": "grc",
        "2": "γίγνομαι",
        "t": "to become"
      },
      "expansion": "γίγνομαι (gígnomai, “to become”)",
      "name": "m"
    }
  ],
  "etymology_text": "Learned stereotype expression from Katharevousa, from Ancient Greek:\nSingular neuter article τό (tó) + neuter present participle δέον (déon) (of δέω² (déō², “to need”)) + middle aorist infinitive γενέσθαι (genésthai) of γίγνομαι (gígnomai, “to become”).",
  "forms": [
    {
      "form": "to déon genésthai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "phrase"
      },
      "expansion": "το δέον γενέσθαι • (to déon genésthai)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "phrase",
  "related": [
    {
      "word": "τι δέον γενέσθαι"
    }
  ],
  "senses": [
    {
      "categories": [
        "Ancient Greek links with manual fragments",
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek multiword terms",
        "Greek phrases",
        "Greek terms borrowed from Ancient Greek",
        "Greek terms derived from Ancient Greek",
        "Greek terms with IPA pronunciation",
        "Greek terms with usage examples",
        "Katharevousa"
      ],
      "examples": [
        {
          "english": "The politicians should contemplate on what must be done.",
          "roman": "As skeftoún oi politikoí to déon genésthai.",
          "text": "Ας σκεφτούν οι πολιτικοί το δέον γενέσθαι.",
          "type": "example"
        }
      ],
      "glosses": [
        "that which must be done"
      ],
      "raw_glosses": [
        "(Katharevousa) that which must be done"
      ],
      "tags": [
        "Katharevousa"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/to ˈðeon ʝeˈnesθe/"
    }
  ],
  "word": "το δέον γενέσθαι"
}