"na" meaning in Esperanto

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "ru",
        "3": "на"
      },
      "expansion": "Russian на (na)",
      "name": "der"
    },
    {
      "args": {
        "1": "eo",
        "2": "pl",
        "3": "na"
      },
      "expansion": "Polish na",
      "name": "der"
    }
  ],
  "etymology_text": "Presumably from Russian на (na) and Polish na; alternatively, from the accusative suffix -n (possibly a blend with the article la or with the suffix -a).",
  "head_templates": [
    {
      "args": {},
      "expansion": "na",
      "name": "eo-prep"
    }
  ],
  "hyphenation": [
    "na"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto neologisms",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto prepositions",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 109 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I read Gerda Disappeared.",
          "text": "Mi legis na Gerda Malaperis."
        }
      ],
      "glosses": [
        "Preposition introducing an accusative phrase."
      ],
      "id": "en-na-eo-prep-b3DOb4vf",
      "links": [
        [
          "accusative",
          "accusative case#English"
        ]
      ],
      "raw_glosses": [
        "(neologism, rare, nonstandard, proscribed) Preposition introducing an accusative phrase."
      ],
      "tags": [
        "neologism",
        "nonstandard",
        "proscribed",
        "rare"
      ],
      "wikipedia": [
        "eo:na (prepozicio)"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[na]"
    }
  ],
  "word": "na"
}

{
  "categories": [
    "Pages with 109 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "ru",
        "3": "на"
      },
      "expansion": "Russian на (na)",
      "name": "der"
    },
    {
      "args": {
        "1": "eo",
        "2": "pl",
        "3": "na"
      },
      "expansion": "Polish na",
      "name": "der"
    }
  ],
  "etymology_text": "Presumably from Russian на (na) and Polish na; alternatively, from the accusative suffix -n (possibly a blend with the article la or with the suffix -a).",
  "head_templates": [
    {
      "args": {},
      "expansion": "na",
      "name": "eo-prep"
    }
  ],
  "hyphenation": [
    "na"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto neologisms",
        "Esperanto nonstandard terms",
        "Esperanto prepositions",
        "Esperanto proscribed terms",
        "Esperanto terms derived from Polish",
        "Esperanto terms derived from Russian",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio pronunciation",
        "Esperanto terms with rare senses",
        "Pages with 109 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "I read Gerda Disappeared.",
          "text": "Mi legis na Gerda Malaperis."
        }
      ],
      "glosses": [
        "Preposition introducing an accusative phrase."
      ],
      "links": [
        [
          "accusative",
          "accusative case#English"
        ]
      ],
      "raw_glosses": [
        "(neologism, rare, nonstandard, proscribed) Preposition introducing an accusative phrase."
      ],
      "tags": [
        "neologism",
        "nonstandard",
        "proscribed",
        "rare"
      ],
      "wikipedia": [
        "eo:na (prepozicio)"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[na]"
    }
  ],
  "word": "na"
}