"trienne" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "LL.",
        "3": "triennis"
      },
      "expansion": "Late Latin triennis",
      "name": "der"
    },
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "tri-",
        "4": "",
        "5": "three"
      },
      "expansion": "Latin tri- (“three”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Late Latin triennis, derived from Latin tri- (“three”) + annus (“year”).",
  "forms": [
    {
      "form": "trienni",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trienne (plural trienni)",
      "name": "it-adj"
    }
  ],
  "hyphenation": [
    "tri‧èn‧ne"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "three-year-old"
      ],
      "id": "en-trienne-it-adj-~hfWpc0X",
      "links": [
        [
          "three",
          "three"
        ],
        [
          "year-old",
          "year-old"
        ]
      ],
      "raw_glosses": [
        "(rare) three-year-old"
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/triˈɛn.ne/"
    },
    {
      "rhymes": "-ɛnne"
    }
  ],
  "word": "trienne"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "LL.",
        "3": "triennis"
      },
      "expansion": "Late Latin triennis",
      "name": "der"
    },
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "tri-",
        "4": "",
        "5": "three"
      },
      "expansion": "Latin tri- (“three”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Late Latin triennis, derived from Latin tri- (“three”) + annus (“year”).",
  "forms": [
    {
      "form": "trienni",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trienne (plural trienni)",
      "name": "it-adj"
    }
  ],
  "hyphenation": [
    "tri‧èn‧ne"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Italian 3-syllable words",
        "Italian adjectives",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian rare terms",
        "Italian terms derived from Late Latin",
        "Italian terms derived from Latin",
        "Italian terms with IPA pronunciation",
        "Rhymes:Italian/ɛnne",
        "Rhymes:Italian/ɛnne/3 syllables"
      ],
      "glosses": [
        "three-year-old"
      ],
      "links": [
        [
          "three",
          "three"
        ],
        [
          "year-old",
          "year-old"
        ]
      ],
      "raw_glosses": [
        "(rare) three-year-old"
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/triˈɛn.ne/"
    },
    {
      "rhymes": "-ɛnne"
    }
  ],
  "word": "trienne"
}