"senettù" meaning in Italian

{
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "#"
      },
      "expansion": "senettù f (invariable)",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "se‧net‧tù"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "old age, senectitude",
          "word": "senettute"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of senettute (“old age, senectitude”)"
      ],
      "id": "en-senettù-it-noun-S~Aw5oFT",
      "links": [
        [
          "senettute",
          "senettute#Italian"
        ]
      ],
      "raw_glosses": [
        "(rare) Alternative form of senettute (“old age, senectitude”)"
      ],
      "tags": [
        "alt-of",
        "alternative",
        "feminine",
        "invariable",
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/se.netˈtu/"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "senettù"
}

{
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "#"
      },
      "expansion": "senettù f (invariable)",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "se‧net‧tù"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "old age, senectitude",
          "word": "senettute"
        }
      ],
      "categories": [
        "Italian 3-syllable words",
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian feminine nouns",
        "Italian indeclinable nouns",
        "Italian lemmas",
        "Italian nouns",
        "Italian terms with IPA pronunciation",
        "Italian terms with rare senses",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:Italian/u",
        "Rhymes:Italian/u/3 syllables"
      ],
      "glosses": [
        "Alternative form of senettute (“old age, senectitude”)"
      ],
      "links": [
        [
          "senettute",
          "senettute#Italian"
        ]
      ],
      "raw_glosses": [
        "(rare) Alternative form of senettute (“old age, senectitude”)"
      ],
      "tags": [
        "alt-of",
        "alternative",
        "feminine",
        "invariable",
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/se.netˈtu/"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "senettù"
}