"κάθοδος" meaning in język nowogrecki

{
  "antonyms": [
    {
      "word": "άνοδος"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Nowogrecki (indeks)",
      "orig": "nowogrecki (indeks)",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "zob. κατά + οδός"
  ],
  "lang": "język nowogrecki",
  "lang_code": "el",
  "pos": "noun",
  "pos_text": "rzeczownik",
  "related": [
    {
      "raw_tags": [
        "czas."
      ],
      "word": "καθοδηγώ"
    },
    {
      "tags": [
        "adjective"
      ],
      "word": "καθοδικός"
    }
  ],
  "senses": [
    {
      "glosses": [
        "katoda"
      ],
      "id": "pl-κάθοδος-el-noun-KZPx-DV~",
      "sense_index": "1.1",
      "topics": [
        "physics"
      ]
    },
    {
      "glosses": [
        "zejście, zjazd (wdół), zstąpienie"
      ],
      "id": "pl-κάθοδος-el-noun-zO9D0OE6",
      "sense_index": "1.2"
    }
  ],
  "sounds": [
    {
      "ipa": "ˈka.θo.ðos"
    }
  ],
  "synonyms": [
    {
      "sense_index": "1.2",
      "word": "κατέβασμα"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "κάθοδος"
}

{
  "antonyms": [
    {
      "word": "άνοδος"
    }
  ],
  "categories": [
    "nowogrecki (indeks)"
  ],
  "etymology_texts": [
    "zob. κατά + οδός"
  ],
  "lang": "język nowogrecki",
  "lang_code": "el",
  "pos": "noun",
  "pos_text": "rzeczownik",
  "related": [
    {
      "raw_tags": [
        "czas."
      ],
      "word": "καθοδηγώ"
    },
    {
      "tags": [
        "adjective"
      ],
      "word": "καθοδικός"
    }
  ],
  "senses": [
    {
      "glosses": [
        "katoda"
      ],
      "sense_index": "1.1",
      "topics": [
        "physics"
      ]
    },
    {
      "glosses": [
        "zejście, zjazd (wdół), zstąpienie"
      ],
      "sense_index": "1.2"
    }
  ],
  "sounds": [
    {
      "ipa": "ˈka.θo.ðos"
    }
  ],
  "synonyms": [
    {
      "sense_index": "1.2",
      "word": "κατέβασμα"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "κάθοδος"
}