"sulo" meaning in Istriot

{
  "etymology_templates": [
    {
      "args": {
        "1": "ist",
        "2": "la",
        "3": "solus"
      },
      "expansion": "Latin solus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin solus.",
  "head_templates": [
    {
      "args": {
        "1": "ist",
        "2": "adverb"
      },
      "expansion": "sulo",
      "name": "head"
    }
  ],
  "lang": "Istriot",
  "lang_code": "ist",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Istriot entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "But only your beautiful eyes, oh soul of mine",
          "ref": "1877, Antonio Ive, Canti popolari istriani: raccolti a Rovigno, volume 5, Ermanno Loescher, page 68:",
          "text": "Ma sulo i tuoi bai uoci, anema meîa,",
          "type": "quote"
        }
      ],
      "glosses": [
        "only; just (no more than)"
      ],
      "id": "en-sulo-ist-adv-TC-MphGj",
      "links": [
        [
          "only",
          "only#English"
        ],
        [
          "just",
          "just#English"
        ]
      ]
    }
  ],
  "word": "sulo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ist",
        "2": "la",
        "3": "solus"
      },
      "expansion": "Latin solus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin solus.",
  "head_templates": [
    {
      "args": {
        "1": "ist",
        "2": "adverb"
      },
      "expansion": "sulo",
      "name": "head"
    }
  ],
  "lang": "Istriot",
  "lang_code": "ist",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Istriot adverbs",
        "Istriot entries with incorrect language header",
        "Istriot lemmas",
        "Istriot terms derived from Latin",
        "Istriot terms inherited from Latin",
        "Istriot terms with quotations",
        "Pages with 9 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "But only your beautiful eyes, oh soul of mine",
          "ref": "1877, Antonio Ive, Canti popolari istriani: raccolti a Rovigno, volume 5, Ermanno Loescher, page 68:",
          "text": "Ma sulo i tuoi bai uoci, anema meîa,",
          "type": "quote"
        }
      ],
      "glosses": [
        "only; just (no more than)"
      ],
      "links": [
        [
          "only",
          "only#English"
        ],
        [
          "just",
          "just#English"
        ]
      ]
    }
  ],
  "word": "sulo"
}