"de" meaning in Proto-Celtic

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "swe for many derivatives of *de"
    },
    {
      "_dis1": "0 0",
      "word": "sindos"
    },
    {
      "_dis1": "0 0",
      "word": "sondos"
    },
    {
      "_dis1": "50 50",
      "sense": "*ne de; Old Irish",
      "word": "nad"
    },
    {
      "_dis1": "50 50",
      "sense": "*ne de; Old Irish",
      "word": "nád"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "sga"
          },
          "expansion": "Old Irish:",
          "name": "desc"
        },
        {
          "args": {
            "1": "sga-affixed pronouns"
          },
          "expansion": "{{sga-affixed pronouns}}",
          "name": "tl"
        }
      ],
      "text": "Old Irish: the class B and C pronouns (see {{sga-affixed pronouns}})"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cel-pro",
        "2": "ine-pro",
        "3": "*de"
      },
      "expansion": "Proto-Indo-European *de",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Indo-European *de.",
  "head_templates": [
    {
      "args": {
        "1": "cel-pro",
        "2": "particle"
      },
      "expansion": "*de",
      "name": "head"
    }
  ],
  "lang": "Proto-Celtic",
  "lang_code": "cel-pro",
  "original_title": "Reconstruction:Proto-Celtic/de",
  "pos": "particle",
  "related": [
    {
      "_dis1": "0 0",
      "word": "dī"
    },
    {
      "_dis1": "0 0",
      "word": "dū"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Refers back to something in a previous context, but not directly antecedent to the particle"
      ],
      "id": "en-de-cel-pro-particle-7Ib5Ggba",
      "links": [
        [
          "Peter Schrijver",
          "w:Peter Schrijver"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    },
    {
      "categories": [
        {
          "_dis": "14 66 0 20",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "21 79",
          "kind": "other",
          "name": "Proto-Celtic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "Proto-Celtic particles",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "anaphoric particle"
      ],
      "id": "en-de-cel-pro-particle-qmrcISgM",
      "links": [
        [
          "anaphor",
          "anaphor#English"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "de"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Proto-Celtic entries with incorrect language header",
    "Proto-Celtic lemmas",
    "Proto-Celtic particles",
    "Proto-Celtic terms derived from Proto-Indo-European",
    "Proto-Celtic terms inherited from Proto-Indo-European"
  ],
  "derived": [
    {
      "word": "swe for many derivatives of *de"
    },
    {
      "word": "sindos"
    },
    {
      "word": "sondos"
    },
    {
      "sense": "*ne de; Old Irish",
      "word": "nad"
    },
    {
      "sense": "*ne de; Old Irish",
      "word": "nád"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "sga"
          },
          "expansion": "Old Irish:",
          "name": "desc"
        },
        {
          "args": {
            "1": "sga-affixed pronouns"
          },
          "expansion": "{{sga-affixed pronouns}}",
          "name": "tl"
        }
      ],
      "text": "Old Irish: the class B and C pronouns (see {{sga-affixed pronouns}})"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cel-pro",
        "2": "ine-pro",
        "3": "*de"
      },
      "expansion": "Proto-Indo-European *de",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Indo-European *de.",
  "head_templates": [
    {
      "args": {
        "1": "cel-pro",
        "2": "particle"
      },
      "expansion": "*de",
      "name": "head"
    }
  ],
  "lang": "Proto-Celtic",
  "lang_code": "cel-pro",
  "original_title": "Reconstruction:Proto-Celtic/de",
  "pos": "particle",
  "related": [
    {
      "word": "dī"
    },
    {
      "word": "dū"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Refers back to something in a previous context, but not directly antecedent to the particle"
      ],
      "links": [
        [
          "Peter Schrijver",
          "w:Peter Schrijver"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    },
    {
      "glosses": [
        "anaphoric particle"
      ],
      "links": [
        [
          "anaphor",
          "anaphor#English"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "de"
}