"isa't isa" meaning in Tagalog

{
  "etymology_templates": [
    {
      "args": {
        "1": "one and one"
      },
      "expansion": "“one and one”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "one and one"
      },
      "expansion": "Literally, “one and one”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “one and one”.",
  "forms": [
    {
      "form": "isá't isá",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ᜁᜐᜆ᜔ ᜁᜐ",
      "tags": [
        "Baybayin"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "isá't isá",
        "b": "+"
      },
      "expansion": "isá't isá (Baybayin spelling ᜁᜐᜆ᜔ ᜁᜐ)",
      "name": "tl-pron"
    }
  ],
  "hyphenation": [
    "i‧sa't"
  ],
  "lang": "Tagalog",
  "lang_code": "tl",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Tagalog entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tagalog pronouns",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tagalog terms with Baybayin script",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tagalog terms with missing Baybayin script entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tagalog terms without tl-pr template",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "tl",
          "name": "One",
          "orig": "tl:One",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "What would happen to our promise to each other?",
          "text": "Paano na ang pangako natin sa isa't isa?",
          "type": "example"
        }
      ],
      "glosses": [
        "each other; one another"
      ],
      "id": "en-isa't_isa-tl-pron-9wig8SlF",
      "links": [
        [
          "each other",
          "each other"
        ],
        [
          "one another",
          "one another"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʔiˌsat ʔiˈsa/"
    },
    {
      "ipa": "[ʔɪˌsat ʔɪˈsa]"
    }
  ],
  "word": "isa't isa"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "one and one"
      },
      "expansion": "“one and one”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "one and one"
      },
      "expansion": "Literally, “one and one”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “one and one”.",
  "forms": [
    {
      "form": "isá't isá",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ᜁᜐᜆ᜔ ᜁᜐ",
      "tags": [
        "Baybayin"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "isá't isá",
        "b": "+"
      },
      "expansion": "isá't isá (Baybayin spelling ᜁᜐᜆ᜔ ᜁᜐ)",
      "name": "tl-pron"
    }
  ],
  "hyphenation": [
    "i‧sa't"
  ],
  "lang": "Tagalog",
  "lang_code": "tl",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Tagalog entries with incorrect language header",
        "Tagalog lemmas",
        "Tagalog multiword terms",
        "Tagalog pronouns",
        "Tagalog terms with Baybayin script",
        "Tagalog terms with IPA pronunciation",
        "Tagalog terms with missing Baybayin script entries",
        "Tagalog terms with usage examples",
        "Tagalog terms without tl-pr template",
        "tl:One"
      ],
      "examples": [
        {
          "english": "What would happen to our promise to each other?",
          "text": "Paano na ang pangako natin sa isa't isa?",
          "type": "example"
        }
      ],
      "glosses": [
        "each other; one another"
      ],
      "links": [
        [
          "each other",
          "each other"
        ],
        [
          "one another",
          "one another"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʔiˌsat ʔiˈsa/"
    },
    {
      "ipa": "[ʔɪˌsat ʔɪˈsa]"
    }
  ],
  "word": "isa't isa"
}