"l'" meaning in Esperanto

{
  "head_templates": [
    {
      "args": {
        "1": "eo",
        "2": "article",
        "3": "definite"
      },
      "expansion": "l' (definite)",
      "name": "head"
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "article",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "the",
          "word": "la"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto articles",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "at the",
          "word": "ĉe l'"
        },
        {
          "english": "of the",
          "word": "de l'"
        },
        {
          "word": "je l'"
        },
        {
          "english": "about the",
          "word": "pri l'"
        },
        {
          "english": "because of the",
          "word": "pro l'"
        },
        {
          "english": "through the",
          "word": "tra l'"
        }
      ],
      "glosses": [
        "Apocopic form of la: the"
      ],
      "id": "en-l'-eo-article-WjS3anrZ",
      "links": [
        [
          "poetic",
          "poetic"
        ],
        [
          "la",
          "la#Esperanto"
        ],
        [
          "the",
          "the"
        ]
      ],
      "raw_glosses": [
        "(poetic) Apocopic form of la: the"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "apocopic",
        "definite",
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/l/"
    }
  ],
  "word": "l'"
}

{
  "derived": [
    {
      "english": "at the",
      "word": "ĉe l'"
    },
    {
      "english": "of the",
      "word": "de l'"
    },
    {
      "word": "je l'"
    },
    {
      "english": "about the",
      "word": "pri l'"
    },
    {
      "english": "because of the",
      "word": "pro l'"
    },
    {
      "english": "through the",
      "word": "tra l'"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "eo",
        "2": "article",
        "3": "definite"
      },
      "expansion": "l' (definite)",
      "name": "head"
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "article",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "the",
          "word": "la"
        }
      ],
      "categories": [
        "Esperanto apocopic forms",
        "Esperanto articles",
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto poetic terms",
        "Esperanto terms with IPA pronunciation"
      ],
      "glosses": [
        "Apocopic form of la: the"
      ],
      "links": [
        [
          "poetic",
          "poetic"
        ],
        [
          "la",
          "la#Esperanto"
        ],
        [
          "the",
          "the"
        ]
      ],
      "raw_glosses": [
        "(poetic) Apocopic form of la: the"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "apocopic",
        "definite",
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/l/"
    }
  ],
  "word": "l'"
}