"eta" meaning in Romanian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ro",
        "2": "la",
        "3": "aetas"
      },
      "expansion": "Borrowed from Latin aetas",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin aetas.",
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "-"
      },
      "expansion": "eta f (uncountable)",
      "name": "ro-noun"
    }
  ],
  "lang": "Romanian",
  "lang_code": "ro",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 24 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Romanian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "age"
      ],
      "id": "en-eta-ro-noun-AT9UQAyC",
      "links": [
        [
          "age",
          "age"
        ]
      ],
      "raw_glosses": [
        "(obsolete) age"
      ],
      "tags": [
        "feminine",
        "obsolete",
        "uncountable"
      ]
    }
  ],
  "word": "eta"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ro",
        "2": "la",
        "3": "aetas"
      },
      "expansion": "Borrowed from Latin aetas",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin aetas.",
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "-"
      },
      "expansion": "eta f (uncountable)",
      "name": "ro-noun"
    }
  ],
  "lang": "Romanian",
  "lang_code": "ro",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 24 entries",
        "Romanian entries with incorrect language header",
        "Romanian feminine nouns",
        "Romanian lemmas",
        "Romanian nouns",
        "Romanian terms borrowed from Latin",
        "Romanian terms derived from Latin",
        "Romanian terms with obsolete senses",
        "Romanian uncountable nouns"
      ],
      "glosses": [
        "age"
      ],
      "links": [
        [
          "age",
          "age"
        ]
      ],
      "raw_glosses": [
        "(obsolete) age"
      ],
      "tags": [
        "feminine",
        "obsolete",
        "uncountable"
      ]
    }
  ],
  "word": "eta"
}