"težak" meaning in Croate

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en croate issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Croate",
      "orig": "croate",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du vieux slave тѧжькъ, tęžĭkŭ (« pesant »)."
  ],
  "lang": "Croate",
  "lang_code": "hr",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Lourd."
      ],
      "id": "fr-težak-hr-adj-Pb4ZXSJQ"
    },
    {
      "glosses": [
        "Difficile."
      ],
      "id": "fr-težak-hr-adj-yHkMYG8U"
    }
  ],
  "word": "težak"
}

{
  "categories": [
    "Adjectifs en croate",
    "Mots en croate issus d’un mot en vieux slave",
    "croate"
  ],
  "etymology_texts": [
    "Du vieux slave тѧжькъ, tęžĭkŭ (« pesant »)."
  ],
  "lang": "Croate",
  "lang_code": "hr",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Lourd."
      ]
    },
    {
      "glosses": [
        "Difficile."
      ]
    }
  ],
  "word": "težak"
}