"π.μ." meaning in Greek

{
  "antonyms": [
    {
      "english": "p.m.",
      "roman": "m.m.",
      "word": "μ.μ."
    }
  ],
  "forms": [
    {
      "form": "p.m.",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adverbs",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "sort": ""
      },
      "expansion": "π.μ. • (p.m.)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "π.μ. • (p.m.)",
      "name": "el-adv"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(pro mesimvrías). (ante meridiem)",
          "word": "προ μεσημβρίας"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "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": "Time",
          "orig": "el:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of προ μεσημβρίας (pro mesimvrías). (ante meridiem)"
      ],
      "id": "en-π.μ.-el-adv-ly1nlxyZ",
      "links": [
        [
          "time",
          "time"
        ],
        [
          "προ μεσημβρίας",
          "προ μεσημβρίας#Greek"
        ],
        [
          "ante meridiem",
          "ante meridiem"
        ]
      ],
      "raw_glosses": [
        "(time) Abbreviation of προ μεσημβρίας (pro mesimvrías). (ante meridiem)"
      ],
      "synonyms": [
        {
          "roman": "pm",
          "word": "πμ"
        },
        {
          "english": "P.M.",
          "word": "Π.Μ."
        },
        {
          "english": "PM",
          "word": "ΠΜ"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "time"
      ]
    }
  ],
  "word": "π.μ."
}

{
  "antonyms": [
    {
      "english": "p.m.",
      "roman": "m.m.",
      "word": "μ.μ."
    }
  ],
  "forms": [
    {
      "form": "p.m.",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adverbs",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "sort": ""
      },
      "expansion": "π.μ. • (p.m.)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "π.μ. • (p.m.)",
      "name": "el-adv"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(pro mesimvrías). (ante meridiem)",
          "word": "προ μεσημβρίας"
        }
      ],
      "categories": [
        "Greek abbreviations",
        "Greek adverbs",
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek terms spelled with .",
        "Pages with 1 entry",
        "Pages with entries",
        "el:Time"
      ],
      "glosses": [
        "Abbreviation of προ μεσημβρίας (pro mesimvrías). (ante meridiem)"
      ],
      "links": [
        [
          "time",
          "time"
        ],
        [
          "προ μεσημβρίας",
          "προ μεσημβρίας#Greek"
        ],
        [
          "ante meridiem",
          "ante meridiem"
        ]
      ],
      "raw_glosses": [
        "(time) Abbreviation of προ μεσημβρίας (pro mesimvrías). (ante meridiem)"
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "time"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "pm",
      "word": "πμ"
    },
    {
      "english": "P.M.",
      "word": "Π.Μ."
    },
    {
      "english": "PM",
      "word": "ΠΜ"
    }
  ],
  "word": "π.μ."
}