"ΣΤ΄" meaning in Greek

{
  "etymology_text": "From the similarity of the stigma (Ϛ), a Byzantine ligature of the common Greek consonant cluster σ-τ using sigma's lunate form ϲ, with the medieval variant of the numerical form of digamma (), employed in Greek numerals for the value six, its place in the epichoric Milesian Greek alphabet (where it was more often written Ϝ).",
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "numeral",
        "tr": "-"
      },
      "expansion": "ΣΤ΄",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Greek numeral symbols",
          "parents": [
            "Numeral symbols",
            "Symbols",
            "Letters, symbols, and punctuation",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "el",
          "name": "Six",
          "orig": "el:Six",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Ο Πτολεμαίος ΣΤʹ Φιλομήτωρ ( 186 – 145 π.Χ. ) ήταν ο έκτος φαραώ της Δυναστείας των Πτολεμαίων.\nPtolemy VI the Mother-Lover (186–145 B.C.) was the sixth pharaoh of the Dynasty of the Ptolemies."
        }
      ],
      "glosses": [
        "The Greek numeral representing the number six (6), typically romanized as the Roman numeral VI."
      ],
      "id": "en-ΣΤ΄-el-num-U6No6fAT",
      "links": [
        [
          "Greek numeral",
          "Greek numeral"
        ],
        [
          "six",
          "six"
        ],
        [
          "6",
          "6"
        ],
        [
          "romanize",
          "romanize"
        ],
        [
          "Roman numeral",
          "Roman numeral"
        ],
        [
          "VI",
          "VI"
        ]
      ],
      "related": [
        {
          "english": "six",
          "roman": "éxi",
          "word": "έξι"
        },
        {
          "english": "sixth",
          "roman": "éktos",
          "word": "έκτος"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "uncommon"
          ],
          "word": "Στ΄"
        },
        {
          "tags": [
            "nonstandard"
          ],
          "word": "στ΄"
        },
        {
          "tags": [
            "literary"
          ],
          "word": "Ϛ΄"
        },
        {
          "tags": [
            "literary",
            "nonstandard"
          ],
          "word": "ϛ΄"
        },
        {
          "tags": [
            "obsolete"
          ],
          "word": "Ϝ΄"
        },
        {
          "tags": [
            "nonstandard",
            "obsolete"
          ],
          "word": "ϝ΄"
        }
      ]
    }
  ],
  "word": "ΣΤ΄"
}

{
  "etymology_text": "From the similarity of the stigma (Ϛ), a Byzantine ligature of the common Greek consonant cluster σ-τ using sigma's lunate form ϲ, with the medieval variant of the numerical form of digamma (), employed in Greek numerals for the value six, its place in the epichoric Milesian Greek alphabet (where it was more often written Ϝ).",
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "numeral",
        "tr": "-"
      },
      "expansion": "ΣΤ΄",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "num",
  "related": [
    {
      "english": "six",
      "roman": "éxi",
      "word": "έξι"
    },
    {
      "english": "sixth",
      "roman": "éktos",
      "word": "έκτος"
    }
  ],
  "senses": [
    {
      "categories": [
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek numeral symbols",
        "Greek numerals",
        "Pages with 1 entry",
        "Pages with entries",
        "el:Six"
      ],
      "examples": [
        {
          "text": "Ο Πτολεμαίος ΣΤʹ Φιλομήτωρ ( 186 – 145 π.Χ. ) ήταν ο έκτος φαραώ της Δυναστείας των Πτολεμαίων.\nPtolemy VI the Mother-Lover (186–145 B.C.) was the sixth pharaoh of the Dynasty of the Ptolemies."
        }
      ],
      "glosses": [
        "The Greek numeral representing the number six (6), typically romanized as the Roman numeral VI."
      ],
      "links": [
        [
          "Greek numeral",
          "Greek numeral"
        ],
        [
          "six",
          "six"
        ],
        [
          "6",
          "6"
        ],
        [
          "romanize",
          "romanize"
        ],
        [
          "Roman numeral",
          "Roman numeral"
        ],
        [
          "VI",
          "VI"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "uncommon"
      ],
      "word": "Στ΄"
    },
    {
      "tags": [
        "nonstandard"
      ],
      "word": "στ΄"
    },
    {
      "tags": [
        "literary"
      ],
      "word": "Ϛ΄"
    },
    {
      "tags": [
        "literary",
        "nonstandard"
      ],
      "word": "ϛ΄"
    },
    {
      "tags": [
        "obsolete"
      ],
      "word": "Ϝ΄"
    },
    {
      "tags": [
        "nonstandard",
        "obsolete"
      ],
      "word": "ϝ΄"
    }
  ],
  "word": "ΣΤ΄"
}