"rectu-" meaning in Gaulois

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots attestés en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en gaulois issus d’un mot en indo-européen commun",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gaulois",
      "orig": "gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en gaulois incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Mot attesté dans les noms propres tels que Rextugenos, Rectugenus, Atrectus, etc.^([1])^([2]).",
    "De l'indo-européen commun *h₃reĝ- (« droit »)^([1])^([2])."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "rextu-"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en gaulois du droit",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Droit, loi."
      ],
      "id": "fr-rectu--gaulois-noun-CYk5QsKQ",
      "topics": [
        "law"
      ]
    }
  ],
  "word": "rectu-"
}

{
  "categories": [
    "Mots attestés en gaulois",
    "Mots en gaulois issus d’un mot en indo-européen commun",
    "Noms communs en gaulois",
    "gaulois",
    "Étymologies en gaulois incluant une reconstruction"
  ],
  "etymology_texts": [
    "Mot attesté dans les noms propres tels que Rextugenos, Rectugenus, Atrectus, etc.^([1])^([2]).",
    "De l'indo-européen commun *h₃reĝ- (« droit »)^([1])^([2])."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "rextu-"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en gaulois du droit"
      ],
      "glosses": [
        "Droit, loi."
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "word": "rectu-"
}