"figliu" meaning in Corsican

{
  "etymology_templates": [
    {
      "args": {
        "1": "co",
        "2": "la",
        "3": "filius"
      },
      "expansion": "Latin filius",
      "name": "inh"
    },
    {
      "args": {
        "1": "it",
        "2": "figlio"
      },
      "expansion": "Italian figlio",
      "name": "cog"
    }
  ],
  "etymology_text": "From Latin filius. Cognate to Italian figlio.",
  "head_templates": [
    {
      "args": {
        "1": "co",
        "2": "noun"
      },
      "expansion": "figliu",
      "name": "head"
    }
  ],
  "lang": "Corsican",
  "lang_code": "co",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Corsican entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Corsican entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "co",
          "name": "Family",
          "orig": "co:Family",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "son"
      ],
      "id": "en-figliu-co-noun-mKpmdUgl",
      "links": [
        [
          "son",
          "son"
        ]
      ]
    }
  ],
  "word": "figliu"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "co",
        "2": "la",
        "3": "filius"
      },
      "expansion": "Latin filius",
      "name": "inh"
    },
    {
      "args": {
        "1": "it",
        "2": "figlio"
      },
      "expansion": "Italian figlio",
      "name": "cog"
    }
  ],
  "etymology_text": "From Latin filius. Cognate to Italian figlio.",
  "head_templates": [
    {
      "args": {
        "1": "co",
        "2": "noun"
      },
      "expansion": "figliu",
      "name": "head"
    }
  ],
  "lang": "Corsican",
  "lang_code": "co",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Corsican entries with incorrect language header",
        "Corsican entries with topic categories using raw markup",
        "Corsican lemmas",
        "Corsican nouns",
        "Corsican terms derived from Latin",
        "Corsican terms inherited from Latin",
        "co:Family"
      ],
      "glosses": [
        "son"
      ],
      "links": [
        [
          "son",
          "son"
        ]
      ]
    }
  ],
  "word": "figliu"
}