"-es" meaning in Romani

{
  "etymology_templates": [
    {
      "args": {
        "1": "rom",
        "2": "sa",
        "3": "-अस्य"
      },
      "expansion": "Sanskrit -अस्य (-asya)",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Sanskrit -अस्य (-asya).",
  "head_templates": [
    {
      "args": {
        "1": "rom",
        "2": "suffix"
      },
      "expansion": "-es",
      "name": "head"
    }
  ],
  "lang": "Romani",
  "lang_code": "rom",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 19 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Romani entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "-es-"
        }
      ],
      "glosses": [
        "desinence used to form the singular accusative case of oikoclitic (pre-European) masculine animate nouns"
      ],
      "id": "en--es-rom-suffix-0ZIAsCKw",
      "links": [
        [
          "accusative case",
          "accusative case#English"
        ],
        [
          "animate",
          "animate#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-es"
}

{
  "derived": [
    {
      "word": "-es-"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "rom",
        "2": "sa",
        "3": "-अस्य"
      },
      "expansion": "Sanskrit -अस्य (-asya)",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Sanskrit -अस्य (-asya).",
  "head_templates": [
    {
      "args": {
        "1": "rom",
        "2": "suffix"
      },
      "expansion": "-es",
      "name": "head"
    }
  ],
  "lang": "Romani",
  "lang_code": "rom",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 19 entries",
        "Pages with entries",
        "Romani entries with incorrect language header",
        "Romani inflectional suffixes",
        "Romani lemmas",
        "Romani suffixes",
        "Romani terms derived from Sanskrit",
        "Romani terms inherited from Sanskrit"
      ],
      "glosses": [
        "desinence used to form the singular accusative case of oikoclitic (pre-European) masculine animate nouns"
      ],
      "links": [
        [
          "accusative case",
          "accusative case#English"
        ],
        [
          "animate",
          "animate#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-es"
}