"правъ" meaning in Vieux slave

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en vieux slave issus d’un mot en proto-slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux slave",
      "orig": "vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en vieux slave incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "правьда"
    },
    {
      "word": "правость"
    },
    {
      "lang": "Bulgare",
      "lang_code": "bg",
      "word": "прав"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "prav"
    },
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "prawy"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "правый"
    },
    {
      "lang": "Slovaque",
      "lang_code": "sk",
      "word": "pravý"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "pravý"
    }
  ],
  "etymology_texts": [
    "Du proto-slave *prāvъ lui-même issu de l’indo-européen commun *рrō-vо que l’on rapproche du latin pro-nus, pro-bus ^([1])."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Droit, direct, juste."
      ],
      "id": "fr-правъ-cu-adj-HzQIBUBe"
    }
  ],
  "word": "правъ"
}

{
  "categories": [
    "Adjectifs en vieux slave",
    "Mots en vieux slave issus d’un mot en proto-slave",
    "vieux slave",
    "Étymologies en vieux slave incluant une reconstruction"
  ],
  "derived": [
    {
      "word": "правьда"
    },
    {
      "word": "правость"
    },
    {
      "lang": "Bulgare",
      "lang_code": "bg",
      "word": "прав"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "prav"
    },
    {
      "lang": "Polonais",
      "lang_code": "pl",
      "word": "prawy"
    },
    {
      "lang": "Russe",
      "lang_code": "ru",
      "word": "правый"
    },
    {
      "lang": "Slovaque",
      "lang_code": "sk",
      "word": "pravý"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "pravý"
    }
  ],
  "etymology_texts": [
    "Du proto-slave *prāvъ lui-même issu de l’indo-européen commun *рrō-vо que l’on rapproche du latin pro-nus, pro-bus ^([1])."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Droit, direct, juste."
      ]
    }
  ],
  "word": "правъ"
}