"len" meaning in Slovaque

{
  "categories": [
    {
      "kind": "other",
      "name": "Adverbes en slovaque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Slovaque",
      "orig": "slovaque",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Slovaque",
  "lang_code": "sk",
  "pos": "adv",
  "pos_title": "Adverbe",
  "senses": [
    {
      "glosses": [
        "Seulement, ne … que."
      ],
      "id": "fr-len-sk-adv-IaYdZlyr"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʎɛn\\"
    }
  ],
  "synonyms": [
    {
      "word": "iba"
    }
  ],
  "word": "len"
}

{
  "categories": [
    "Adverbes en slovaque",
    "slovaque"
  ],
  "lang": "Slovaque",
  "lang_code": "sk",
  "pos": "adv",
  "pos_title": "Adverbe",
  "senses": [
    {
      "glosses": [
        "Seulement, ne … que."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʎɛn\\"
    }
  ],
  "synonyms": [
    {
      "word": "iba"
    }
  ],
  "word": "len"
}