"ísiu" meaning in Old Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "í",
        "3": "siu",
        "pos1": "deictic particle",
        "t2": "this"
      },
      "expansion": "í (deictic particle) + siu (“this”)",
      "name": "af"
    }
  ],
  "etymology_text": "From í (deictic particle) + siu (“this”).",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "determiner",
        "cat2": "demonstrative determiners"
      },
      "expansion": "ísiu",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "det",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Irish demonstrative determiners",
          "parents": [
            "Demonstrative determiners",
            "Demonstrative pro-forms",
            "Determiners",
            "Pro-forms",
            "Lemmas",
            "Terms by semantic function"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Irish determiners",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "It is to the interrogation that is in the Scripture text that this interrogation answers with him, i.e. ne occideris i.e. will you sg slay i.e. non i.e. you will not slay them all although they have deserved it.",
          "text": "Is dúnn imchumurc fil isin chanóin fris·gair lessóm a n‑imchomarc n-ísiu .i. ne occideris .i. in ⸉n‑í⸊írr-siu .i. non. .i. nís·n‑ulemairbfe ci asid·roilliset.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "this (used after the noun, which is preceded by the definite article; emphatic)"
      ],
      "id": "en-ísiu-sga-det-hyky0w43",
      "links": [
        [
          "this",
          "this"
        ],
        [
          "definite article",
          "definite article"
        ]
      ],
      "related": [
        {
          "word": "ísin"
        }
      ],
      "wikipedia": [
        "D. A. Binchy",
        "Osborn Bergin"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈiːsʲu]"
    }
  ],
  "word": "ísiu"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "í",
        "3": "siu",
        "pos1": "deictic particle",
        "t2": "this"
      },
      "expansion": "í (deictic particle) + siu (“this”)",
      "name": "af"
    }
  ],
  "etymology_text": "From í (deictic particle) + siu (“this”).",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "determiner",
        "cat2": "demonstrative determiners"
      },
      "expansion": "ísiu",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "det",
  "related": [
    {
      "word": "ísin"
    }
  ],
  "senses": [
    {
      "categories": [
        "Old Irish compound terms",
        "Old Irish demonstrative determiners",
        "Old Irish determiners",
        "Old Irish entries with incorrect language header",
        "Old Irish lemmas",
        "Old Irish terms with IPA pronunciation",
        "Old Irish terms with quotations"
      ],
      "examples": [
        {
          "english": "It is to the interrogation that is in the Scripture text that this interrogation answers with him, i.e. ne occideris i.e. will you sg slay i.e. non i.e. you will not slay them all although they have deserved it.",
          "text": "Is dúnn imchumurc fil isin chanóin fris·gair lessóm a n‑imchomarc n-ísiu .i. ne occideris .i. in ⸉n‑í⸊írr-siu .i. non. .i. nís·n‑ulemairbfe ci asid·roilliset.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "this (used after the noun, which is preceded by the definite article; emphatic)"
      ],
      "links": [
        [
          "this",
          "this"
        ],
        [
          "definite article",
          "definite article"
        ]
      ],
      "wikipedia": [
        "D. A. Binchy",
        "Osborn Bergin"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈiːsʲu]"
    }
  ],
  "word": "ísiu"
}