"tharo" meaning in Sotho

{
  "etymology_templates": [
    {
      "args": {
        "1": "st",
        "2": "bnt-pro",
        "3": "*-tátʊ̀"
      },
      "expansion": "Proto-Bantu *-tátʊ̀",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Bantu *-tátʊ̀.",
  "head_templates": [
    {
      "args": {
        "1": "st",
        "2": "numeral"
      },
      "expansion": "tharo",
      "name": "head"
    }
  ],
  "lang": "Sotho",
  "lang_code": "st",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Sotho cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sotho entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "three; 3"
      ],
      "id": "en-tharo-st-num-wrawXUT2",
      "links": [
        [
          "three",
          "three"
        ]
      ]
    }
  ],
  "word": "tharo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "st",
        "2": "bnt-pro",
        "3": "*-tátʊ̀"
      },
      "expansion": "Proto-Bantu *-tátʊ̀",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Bantu *-tátʊ̀.",
  "head_templates": [
    {
      "args": {
        "1": "st",
        "2": "numeral"
      },
      "expansion": "tharo",
      "name": "head"
    }
  ],
  "lang": "Sotho",
  "lang_code": "st",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Sotho cardinal numbers",
        "Sotho entries with incorrect language header",
        "Sotho lemmas",
        "Sotho numerals",
        "Sotho terms derived from Proto-Bantu",
        "Sotho terms inherited from Proto-Bantu"
      ],
      "glosses": [
        "three; 3"
      ],
      "links": [
        [
          "three",
          "three"
        ]
      ]
    }
  ],
  "word": "tharo"
}