"forta" meaning in Ido

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "eo",
        "3": "forta"
      },
      "expansion": "Esperanto forta",
      "name": "der"
    }
  ],
  "etymology_text": "From Esperanto forta.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "adjective",
        "head": ""
      },
      "expansion": "forta",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "forta",
      "name": "io-adj"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "debila"
        },
        {
          "word": "febla"
        },
        {
          "word": "frajila"
        },
        {
          "word": "laxa"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "forte"
        },
        {
          "word": "fortesko"
        },
        {
          "word": "forteso"
        },
        {
          "english": "to strengthen",
          "word": "fortigar"
        },
        {
          "word": "fortigo"
        }
      ],
      "glosses": [
        "strong"
      ],
      "id": "en-forta-io-adj-7aFc5INK",
      "links": [
        [
          "strong",
          "strong"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈforta/"
    }
  ],
  "word": "forta"
}

{
  "derived": [
    {
      "word": "forte"
    },
    {
      "word": "fortesko"
    },
    {
      "word": "forteso"
    },
    {
      "english": "to strengthen",
      "word": "fortigar"
    },
    {
      "word": "fortigo"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "eo",
        "3": "forta"
      },
      "expansion": "Esperanto forta",
      "name": "der"
    }
  ],
  "etymology_text": "From Esperanto forta.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "adjective",
        "head": ""
      },
      "expansion": "forta",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "forta",
      "name": "io-adj"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "debila"
        },
        {
          "word": "febla"
        },
        {
          "word": "frajila"
        },
        {
          "word": "laxa"
        }
      ],
      "categories": [
        "Ido adjectives",
        "Ido entries with incorrect language header",
        "Ido lemmas",
        "Ido terms derived from Esperanto",
        "Ido terms with IPA pronunciation"
      ],
      "glosses": [
        "strong"
      ],
      "links": [
        [
          "strong",
          "strong"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈforta/"
    }
  ],
  "word": "forta"
}