"bith-" meaning in Old Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "ine-pro",
        "3": "*gʷeyh₃-"
      },
      "expansion": "",
      "name": "root"
    }
  ],
  "etymology_text": "From bith (“world, existence”).",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "sga-mutation",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "bith-",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "bith-",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-nasal"
      ]
    },
    {
      "form": "mbith-",
      "source": "mutation",
      "tags": [
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "prefix"
      },
      "expansion": "bith-",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "b",
        "2": "ith-"
      },
      "name": "sga-mutation"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "the righteousness of the apostles and all just people is a perpetual reproach to the world",
          "text": "fírinne apostolorum et omnium iustorum bith-ingabál mundo",
          "type": "example"
        }
      ],
      "glosses": [
        "ever-, constant"
      ],
      "id": "en-bith--sga-prefix-bZHTr33k",
      "links": [
        [
          "ever",
          "ever"
        ],
        [
          "constant",
          "constant"
        ]
      ],
      "synonyms": [
        {
          "raw_tags": [
            "in the Würzburg glosses"
          ],
          "tags": [
            "especially"
          ],
          "word": "bid-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[bʲiθ]"
    }
  ],
  "word": "bith-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "ine-pro",
        "3": "*gʷeyh₃-"
      },
      "expansion": "",
      "name": "root"
    }
  ],
  "etymology_text": "From bith (“world, existence”).",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "sga-mutation",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "bith-",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "bith-",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-nasal"
      ]
    },
    {
      "form": "mbith-",
      "source": "mutation",
      "tags": [
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "prefix"
      },
      "expansion": "bith-",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "b",
        "2": "ith-"
      },
      "name": "sga-mutation"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Old Irish entries with incorrect language header",
        "Old Irish lemmas",
        "Old Irish prefixes",
        "Old Irish terms derived from Proto-Indo-European",
        "Old Irish terms derived from the Proto-Indo-European root *gʷeyh₃-",
        "Old Irish terms with quotations",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "the righteousness of the apostles and all just people is a perpetual reproach to the world",
          "text": "fírinne apostolorum et omnium iustorum bith-ingabál mundo",
          "type": "example"
        }
      ],
      "glosses": [
        "ever-, constant"
      ],
      "links": [
        [
          "ever",
          "ever"
        ],
        [
          "constant",
          "constant"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[bʲiθ]"
    }
  ],
  "synonyms": [
    {
      "raw_tags": [
        "in the Würzburg glosses"
      ],
      "tags": [
        "especially"
      ],
      "word": "bid-"
    }
  ],
  "word": "bith-"
}