"επί" meaning in Greek

{
  "etymology_templates": [
    {
      "args": {
        "1": "el",
        "2": "grc",
        "3": "ἐπί",
        "4": "",
        "5": "upon, on"
      },
      "expansion": "Ancient Greek ἐπί (epí, “upon, on”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek ἐπί (epí, “upon, on”).",
  "forms": [
    {
      "form": "epí",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "preposition",
        "head": "",
        "sort": ""
      },
      "expansion": "επί • (epí)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "επί • (epí)",
      "name": "el-prep"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "prep",
  "related": [
    {
      "_dis1": "0 0",
      "roman": "epi-",
      "word": "επι-"
    }
  ],
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "english": "I have nothing to say on the matter.",
          "roman": "Den écho típota na po epí tou thématos.",
          "text": "Δεν έχω τίποτα να πω επί του θέματος.",
          "type": "example"
        }
      ],
      "glosses": [
        "on, upon"
      ],
      "id": "en-επί-el-prep-cEUrieum",
      "links": [
        [
          "on",
          "on"
        ],
        [
          "upon",
          "upon"
        ]
      ],
      "raw_glosses": [
        "(with genitive) on, upon"
      ],
      "tags": [
        "with-genitive"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "el",
          "name": "Mathematics",
          "orig": "el:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Greek prepositions",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Greek undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "times"
      ],
      "id": "en-επί-el-prep-K~YaO8hQ",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "times",
          "times"
        ]
      ],
      "raw_glosses": [
        "(mathematics) times"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "επί"
}

{
  "categories": [
    "Greek entries with incorrect language header",
    "Greek lemmas",
    "Greek prepositions",
    "Greek terms derived from Ancient Greek",
    "Greek undefined derivations",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "el",
        "2": "grc",
        "3": "ἐπί",
        "4": "",
        "5": "upon, on"
      },
      "expansion": "Ancient Greek ἐπί (epí, “upon, on”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek ἐπί (epí, “upon, on”).",
  "forms": [
    {
      "form": "epí",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "preposition",
        "head": "",
        "sort": ""
      },
      "expansion": "επί • (epí)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "επί • (epí)",
      "name": "el-prep"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "prep",
  "related": [
    {
      "roman": "epi-",
      "word": "επι-"
    }
  ],
  "senses": [
    {
      "categories": [
        "Greek terms with usage examples"
      ],
      "examples": [
        {
          "english": "I have nothing to say on the matter.",
          "roman": "Den écho típota na po epí tou thématos.",
          "text": "Δεν έχω τίποτα να πω επί του θέματος.",
          "type": "example"
        }
      ],
      "glosses": [
        "on, upon"
      ],
      "links": [
        [
          "on",
          "on"
        ],
        [
          "upon",
          "upon"
        ]
      ],
      "raw_glosses": [
        "(with genitive) on, upon"
      ],
      "tags": [
        "with-genitive"
      ]
    },
    {
      "categories": [
        "el:Mathematics"
      ],
      "glosses": [
        "times"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "times",
          "times"
        ]
      ],
      "raw_glosses": [
        "(mathematics) times"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "επί"
}