"Petro" meaning in Esperanto

{
  "forms": [
    {
      "form": "Petron",
      "tags": [
        "accusative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Petro (accusative Petron)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "Pe‧tro"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Esperanto given names",
          "parents": [
            "Given names",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Esperanto male given names",
          "parents": [
            "Male given names",
            "Given names",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "Peĉjo"
        }
      ],
      "glosses": [
        "a male given name from Ancient Greek, equivalent to English Peter"
      ],
      "id": "en-Petro-eo-name-ZOTmtTYQ",
      "links": [
        [
          "given name",
          "given name"
        ],
        [
          "Peter",
          "Peter#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈpetro]"
    },
    {
      "rhymes": "-etro"
    }
  ],
  "word": "Petro"
}

{
  "derived": [
    {
      "word": "Peĉjo"
    }
  ],
  "forms": [
    {
      "form": "Petron",
      "tags": [
        "accusative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Petro (accusative Petron)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "Pe‧tro"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Esperanto entries with incorrect language header",
        "Esperanto given names",
        "Esperanto lemmas",
        "Esperanto male given names",
        "Esperanto male given names from Ancient Greek",
        "Esperanto proper nouns",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio links",
        "Rhymes:Esperanto/etro"
      ],
      "glosses": [
        "a male given name from Ancient Greek, equivalent to English Peter"
      ],
      "links": [
        [
          "given name",
          "given name"
        ],
        [
          "Peter",
          "Peter#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈpetro]"
    },
    {
      "rhymes": "-etro"
    }
  ],
  "word": "Petro"
}