"os" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "o",
        "3": "-s",
        "t1": "if",
        "t2": "him, her, it, them"
      },
      "expansion": "o (“if”) + -s (“him, her, it, them”)",
      "name": "com"
    }
  ],
  "etymology_text": "o (“if”) + -s (“him, her, it, them”)",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "conjunction"
      },
      "expansion": "os",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "If I’m right, then you’re done for.",
          "text": "Os ydw i’n iawn, yna mae wedi canu arnat ti.",
          "type": "example"
        }
      ],
      "glosses": [
        "if (used with factual conditionals, i.e., those that are considered likely or plausible)"
      ],
      "id": "en-os-cy-conj-zw98S3Cb",
      "links": [
        [
          "if",
          "if"
        ]
      ],
      "related": [
        {
          "english": "used with counterfactual conditionals",
          "word": "pe"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔs/"
    },
    {
      "rhymes": "-ɔs"
    }
  ],
  "word": "os"
}

{
  "categories": [
    "White Hmong entries with incorrect language header",
    "White Hmong interjections",
    "White Hmong lemmas",
    "White Hmong terms with IPA pronunciation"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "o",
        "3": "-s",
        "t1": "if",
        "t2": "him, her, it, them"
      },
      "expansion": "o (“if”) + -s (“him, her, it, them”)",
      "name": "com"
    }
  ],
  "etymology_text": "o (“if”) + -s (“him, her, it, them”)",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "conjunction"
      },
      "expansion": "os",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "conj",
  "related": [
    {
      "english": "used with counterfactual conditionals",
      "word": "pe"
    }
  ],
  "senses": [
    {
      "categories": [
        "Rhymes:Welsh/ɔs",
        "Rhymes:Welsh/ɔs/1 syllable",
        "Welsh compound terms",
        "Welsh conjunctions",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh terms with IPA pronunciation",
        "Welsh terms with usage examples"
      ],
      "examples": [
        {
          "english": "If I’m right, then you’re done for.",
          "text": "Os ydw i’n iawn, yna mae wedi canu arnat ti.",
          "type": "example"
        }
      ],
      "glosses": [
        "if (used with factual conditionals, i.e., those that are considered likely or plausible)"
      ],
      "links": [
        [
          "if",
          "if"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔs/"
    },
    {
      "rhymes": "-ɔs"
    }
  ],
  "word": "os"
}