"thứ nữ" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "次女"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "次",
        "2": "next",
        "3": "女",
        "4": "female"
      },
      "expansion": "Sino-Vietnamese word from 次女, composed of 次 (“next”) and 女 (“female”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 次女, composed of 次 (“next”) and 女 (“female”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "thứ nữ",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "thứ nữ",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Female family members",
          "orig": "vi:Female family members",
          "parents": [
            "Family members",
            "Female people",
            "Family",
            "Female",
            "People",
            "Gender",
            "Human",
            "Biology",
            "Psychology",
            "Sociology",
            "All topics",
            "Sciences",
            "Social sciences",
            "Fundamental",
            "Society"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Marriage",
          "orig": "vi:Marriage",
          "parents": [
            "Culture",
            "Family",
            "Society",
            "People",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the second, but not youngest, daughter"
      ],
      "id": "en-thứ_nữ-vi-noun-DI2c4jjQ",
      "links": [
        [
          "second",
          "second"
        ],
        [
          "youngest",
          "youngest"
        ],
        [
          "daughter",
          "daughter"
        ]
      ],
      "qualifier": "chiefly on wedding invitation cards or at weddings",
      "raw_glosses": [
        "(formal, chiefly on wedding invitation cards or at weddings) the second, but not youngest, daughter"
      ],
      "tags": [
        "formal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰɨ˧˦ nɨ˦ˀ˥]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tʰɨ˨˩˦ nɨ˧˨]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tʰɨ˦˥ nɨ˨˩˦]",
      "note": "Saigon"
    }
  ],
  "word": "thứ nữ"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "次女"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "次",
        "2": "next",
        "3": "女",
        "4": "female"
      },
      "expansion": "Sino-Vietnamese word from 次女, composed of 次 (“next”) and 女 (“female”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 次女, composed of 次 (“next”) and 女 (“female”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "thứ nữ",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "thứ nữ",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Vietnamese entries with incorrect language header",
        "Vietnamese formal terms",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms with IPA pronunciation",
        "vi:Female family members",
        "vi:Marriage"
      ],
      "glosses": [
        "the second, but not youngest, daughter"
      ],
      "links": [
        [
          "second",
          "second"
        ],
        [
          "youngest",
          "youngest"
        ],
        [
          "daughter",
          "daughter"
        ]
      ],
      "qualifier": "chiefly on wedding invitation cards or at weddings",
      "raw_glosses": [
        "(formal, chiefly on wedding invitation cards or at weddings) the second, but not youngest, daughter"
      ],
      "tags": [
        "formal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰɨ˧˦ nɨ˦ˀ˥]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tʰɨ˨˩˦ nɨ˧˨]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tʰɨ˦˥ nɨ˨˩˦]",
      "note": "Saigon"
    }
  ],
  "word": "thứ nữ"
}