"per" meaning in Esperanto

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "la",
        "3": "per"
      },
      "expansion": "Latin per",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin per.",
  "head_templates": [
    {
      "args": {},
      "expansion": "per",
      "name": "eo-prep"
    }
  ],
  "hyphenation": [
    "per"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto BRO1",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto prepositions",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "He wrote with a pen.",
          "text": "Li skribis per plumo.",
          "type": "example"
        }
      ],
      "glosses": [
        "by means of, with"
      ],
      "id": "en-per-eo-prep-ti-rO~~h",
      "links": [
        [
          "with",
          "with"
        ]
      ],
      "related": [
        {
          "word": "kun"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[per]"
    }
  ],
  "word": "per"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "la",
        "3": "per"
      },
      "expansion": "Latin per",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin per.",
  "head_templates": [
    {
      "args": {},
      "expansion": "per",
      "name": "eo-prep"
    }
  ],
  "hyphenation": [
    "per"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "prep",
  "related": [
    {
      "word": "kun"
    }
  ],
  "senses": [
    {
      "categories": [
        "Esperanto BRO1",
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto prepositions",
        "Esperanto terms borrowed from Latin",
        "Esperanto terms derived from Latin",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio links",
        "Esperanto terms with usage examples"
      ],
      "examples": [
        {
          "english": "He wrote with a pen.",
          "text": "Li skribis per plumo.",
          "type": "example"
        }
      ],
      "glosses": [
        "by means of, with"
      ],
      "links": [
        [
          "with",
          "with"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[per]"
    }
  ],
  "word": "per"
}