"plā" meaning in Vieux haut allemand

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en vieux haut allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en vieux haut allemand issus d’un mot en indo-européen commun",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux haut allemand",
      "orig": "vieux haut allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en vieux haut allemand incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du germanique *blēwaz et plus avant, de l’indo-européen commun *bhlē-u̯o-s ^([1]), apparenté au latin flavus"
  ],
  "lang": "Vieux haut allemand",
  "lang_code": "goh",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "word": "blā"
    },
    {
      "word": "blāo"
    },
    {
      "word": "blau"
    },
    {
      "word": "בלאָ"
    },
    {
      "word": "בלוי"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Couleurs en vieux haut allemand",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Bleu, sombre."
      ],
      "id": "fr-plā-goh-adj-cbJmR2~h",
      "topics": [
        "colorimetry"
      ]
    }
  ],
  "word": "plā"
}

{
  "categories": [
    "Adjectifs en vieux haut allemand",
    "Mots en vieux haut allemand issus d’un mot en indo-européen commun",
    "vieux haut allemand",
    "Étymologies en vieux haut allemand incluant une reconstruction"
  ],
  "etymology_texts": [
    "Du germanique *blēwaz et plus avant, de l’indo-européen commun *bhlē-u̯o-s ^([1]), apparenté au latin flavus"
  ],
  "lang": "Vieux haut allemand",
  "lang_code": "goh",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "word": "blā"
    },
    {
      "word": "blāo"
    },
    {
      "word": "blau"
    },
    {
      "word": "בלאָ"
    },
    {
      "word": "בלוי"
    }
  ],
  "senses": [
    {
      "categories": [
        "Couleurs en vieux haut allemand"
      ],
      "glosses": [
        "Bleu, sombre."
      ],
      "topics": [
        "colorimetry"
      ]
    }
  ],
  "word": "plā"
}