"строг" meaning in Serbo-croate

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en serbo-croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en serbo-croate issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Serbo-croate",
      "orig": "serbo-croate",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du vieux slave strogъ → voir strohý."
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Sévère, austère."
      ],
      "id": "fr-строг-sh-adj-TT7gbmf7"
    }
  ],
  "word": "строг"
}

{
  "categories": [
    "Adjectifs en serbo-croate",
    "Mots en serbo-croate issus d’un mot en vieux slave",
    "serbo-croate"
  ],
  "etymology_texts": [
    "Du vieux slave strogъ → voir strohý."
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Sévère, austère."
      ]
    }
  ],
  "word": "строг"
}