"quartanus" meaning in Latin

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dérivations en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en latin suffixés avec -anus",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Latin",
      "orig": "latin",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "translation": "fièvre quarte",
      "word": "quartana"
    },
    {
      "translation": "qui a la fièvre quarte",
      "word": "quartanarius"
    },
    {
      "translation": "soldats de la quatrième légion",
      "word": "quartani"
    }
  ],
  "etymology_texts": [
    "Dérivé de quartus, avec le suffixe -anus."
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en latin",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Du quart, du quatrième jour, quartain."
      ],
      "id": "fr-quartanus-la-adj-kMQy~1Tv"
    }
  ],
  "word": "quartanus"
}

{
  "categories": [
    "Adjectifs en latin",
    "Dérivations en latin",
    "Lemmes en latin",
    "Mots en latin suffixés avec -anus",
    "latin"
  ],
  "derived": [
    {
      "translation": "fièvre quarte",
      "word": "quartana"
    },
    {
      "translation": "qui a la fièvre quarte",
      "word": "quartanarius"
    },
    {
      "translation": "soldats de la quatrième légion",
      "word": "quartani"
    }
  ],
  "etymology_texts": [
    "Dérivé de quartus, avec le suffixe -anus."
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en latin"
      ],
      "glosses": [
        "Du quart, du quatrième jour, quartain."
      ]
    }
  ],
  "word": "quartanus"
}