"-i" meaning in Ido

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "it",
        "3": "-i"
      },
      "expansion": "Italian -i",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "ru",
        "3": "-и"
      },
      "expansion": "Russian -и (-i)",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "-i"
      },
      "expansion": "English -i",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Italian -i, Russian -и (-i). Also from English -i, used with Latin and Italian borrowings.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "suffix",
        "cat2": "inflectional suffixes",
        "cat3": ""
      },
      "expansion": "-i",
      "name": "head"
    },
    {
      "args": {
        "1": "i"
      },
      "expansion": "-i",
      "name": "io-suffix"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "libro (“book”) + -i → libri (“books”)",
          "type": "example"
        }
      ],
      "glosses": [
        "-s; marks the plural form of nouns, by replacing the -o ending"
      ],
      "id": "en--i-io-suffix-QxXIVKeD",
      "links": [
        [
          "-s",
          "-s"
        ],
        [
          "-o",
          "-o#Ido"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/i/"
    }
  ],
  "word": "-i"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "it",
        "3": "-i"
      },
      "expansion": "Italian -i",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "ru",
        "3": "-и"
      },
      "expansion": "Russian -и (-i)",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "-i"
      },
      "expansion": "English -i",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Italian -i, Russian -и (-i). Also from English -i, used with Latin and Italian borrowings.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "suffix",
        "cat2": "inflectional suffixes",
        "cat3": ""
      },
      "expansion": "-i",
      "name": "head"
    },
    {
      "args": {
        "1": "i"
      },
      "expansion": "-i",
      "name": "io-suffix"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Ido entries with incorrect language header",
        "Ido inflectional suffixes",
        "Ido lemmas",
        "Ido suffixes",
        "Ido terms borrowed from English",
        "Ido terms borrowed from Italian",
        "Ido terms borrowed from Russian",
        "Ido terms derived from English",
        "Ido terms derived from Italian",
        "Ido terms derived from Russian",
        "Ido terms with IPA pronunciation",
        "Pages with raw sortkeys"
      ],
      "examples": [
        {
          "text": "libro (“book”) + -i → libri (“books”)",
          "type": "example"
        }
      ],
      "glosses": [
        "-s; marks the plural form of nouns, by replacing the -o ending"
      ],
      "links": [
        [
          "-s",
          "-s"
        ],
        [
          "-o",
          "-o#Ido"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/i/"
    }
  ],
  "word": "-i"
}