"sinni" meaning in Old Irish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "sinn"
          },
          "expansion": "Irish: sinn",
          "name": "desc"
        }
      ],
      "text": "Irish: sinn"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gd",
            "2": "sinn"
          },
          "expansion": "Scottish Gaelic: sinn",
          "name": "desc"
        }
      ],
      "text": "Scottish Gaelic: sinn"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gv",
            "2": "shin"
          },
          "expansion": "Manx: shin",
          "name": "desc"
        }
      ],
      "text": "Manx: shin"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "cel-pro",
        "3": "*snisni"
      },
      "expansion": "Proto-Celtic *snisni",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "nini"
      },
      "expansion": "Welsh nini",
      "name": "cog"
    }
  ],
  "etymology_text": "From *sisni, dissimilated from Proto-Celtic *snisni, from *snīs (“we”) (compare Welsh nini, ni).",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "pronoun",
        "3": "emphatic",
        "cat2": "personal pronouns"
      },
      "expansion": "sinni (emphatic)",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "pron",
  "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": "Old Irish personal pronouns",
          "parents": [
            "Personal pronouns",
            "Pronouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Irish pronouns",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "It is we.",
          "text": "Is sinni.",
          "type": "example"
        }
      ],
      "glosses": [
        "we"
      ],
      "id": "en-sinni-sga-pron-3HyBG5Vh",
      "links": [
        [
          "we",
          "we"
        ]
      ],
      "synonyms": [
        {
          "word": "nini"
        },
        {
          "word": "sisni"
        },
        {
          "word": "snisni"
        }
      ],
      "tags": [
        "emphatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsʲin͈ʲi/"
    }
  ],
  "word": "sinni"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "sinn"
          },
          "expansion": "Irish: sinn",
          "name": "desc"
        }
      ],
      "text": "Irish: sinn"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gd",
            "2": "sinn"
          },
          "expansion": "Scottish Gaelic: sinn",
          "name": "desc"
        }
      ],
      "text": "Scottish Gaelic: sinn"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gv",
            "2": "shin"
          },
          "expansion": "Manx: shin",
          "name": "desc"
        }
      ],
      "text": "Manx: shin"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "cel-pro",
        "3": "*snisni"
      },
      "expansion": "Proto-Celtic *snisni",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "nini"
      },
      "expansion": "Welsh nini",
      "name": "cog"
    }
  ],
  "etymology_text": "From *sisni, dissimilated from Proto-Celtic *snisni, from *snīs (“we”) (compare Welsh nini, ni).",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "pronoun",
        "3": "emphatic",
        "cat2": "personal pronouns"
      },
      "expansion": "sinni (emphatic)",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Old Irish entries with incorrect language header",
        "Old Irish lemmas",
        "Old Irish personal pronouns",
        "Old Irish pronouns",
        "Old Irish terms derived from Proto-Celtic",
        "Old Irish terms inherited from Proto-Celtic",
        "Old Irish terms with usage examples",
        "Pages with 7 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "It is we.",
          "text": "Is sinni.",
          "type": "example"
        }
      ],
      "glosses": [
        "we"
      ],
      "links": [
        [
          "we",
          "we"
        ]
      ],
      "synonyms": [
        {
          "word": "nini"
        },
        {
          "word": "sisni"
        },
        {
          "word": "snisni"
        }
      ],
      "tags": [
        "emphatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsʲin͈ʲi/"
    }
  ],
  "word": "sinni"
}