"es-" meaning in Occitan

{
  "etymology_templates": [
    {
      "args": {
        "1": "oc",
        "2": "pro",
        "3": ""
      },
      "expansion": "Old Occitan [Term?]",
      "name": "inh"
    },
    {
      "args": {
        "1": "oc",
        "2": "la",
        "3": "ex-"
      },
      "expansion": "Latin ex-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Occitan [Term?], from Latin ex-.",
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "prefix"
      },
      "expansion": "es-",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Occitan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 8 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "indicates movement away or separation"
      ],
      "id": "en-es--oc-prefix-P0zxwwBy",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "es-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "oc",
        "2": "pro",
        "3": ""
      },
      "expansion": "Old Occitan [Term?]",
      "name": "inh"
    },
    {
      "args": {
        "1": "oc",
        "2": "la",
        "3": "ex-"
      },
      "expansion": "Latin ex-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Occitan [Term?], from Latin ex-.",
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "prefix"
      },
      "expansion": "es-",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Occitan entries with incorrect language header",
        "Occitan lemmas",
        "Occitan prefixes",
        "Occitan terms derived from Latin",
        "Occitan terms derived from Old Occitan",
        "Occitan terms inherited from Latin",
        "Occitan terms inherited from Old Occitan",
        "Old Occitan term requests",
        "Pages with 8 entries",
        "Pages with entries"
      ],
      "glosses": [
        "indicates movement away or separation"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "es-"
}