"sastera" meaning in Indonesian

{
  "head_templates": [
    {
      "args": {
        "1": "id",
        "2": "noun"
      },
      "expansion": "sastera",
      "name": "head"
    }
  ],
  "lang": "Indonesian",
  "lang_code": "id",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sastra"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Indonesian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Nonstandard form of sastra."
      ],
      "id": "en-sastera-id-noun-vLL9QQvo",
      "links": [
        [
          "sastra",
          "sastra#Indonesian"
        ]
      ],
      "tags": [
        "alt-of",
        "nonstandard"
      ]
    }
  ],
  "word": "sastera"
}

{
  "head_templates": [
    {
      "args": {
        "1": "id",
        "2": "noun"
      },
      "expansion": "sastera",
      "name": "head"
    }
  ],
  "lang": "Indonesian",
  "lang_code": "id",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sastra"
        }
      ],
      "categories": [
        "Indonesian entries with incorrect language header",
        "Indonesian lemmas",
        "Indonesian nonstandard forms",
        "Indonesian nouns",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Nonstandard form of sastra."
      ],
      "links": [
        [
          "sastra",
          "sastra#Indonesian"
        ]
      ],
      "tags": [
        "alt-of",
        "nonstandard"
      ]
    }
  ],
  "word": "sastera"
}