"жертану" meaning in Kazakh

{
  "etymology_templates": [
    {
      "args": {
        "1": "kk",
        "2": "жер",
        "3": "тану"
      },
      "expansion": "жер (jer) + -тану (-tanu)",
      "name": "suffix"
    }
  ],
  "etymology_text": "жер (jer) + -тану (-tanu).",
  "forms": [
    {
      "form": "jertanu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "жертану • (jertanu)",
      "name": "kk-noun"
    }
  ],
  "lang": "Kazakh",
  "lang_code": "kk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Kazakh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Kazakh terms suffixed with -тану",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Kazakh terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "kk",
          "name": "Geography",
          "orig": "kk:Geography",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "physical geography"
      ],
      "id": "en-жертану-kk-noun-LaXP0yEd",
      "links": [
        [
          "physical geography",
          "physical geography"
        ]
      ]
    }
  ],
  "word": "жертану"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "kk",
        "2": "жер",
        "3": "тану"
      },
      "expansion": "жер (jer) + -тану (-tanu)",
      "name": "suffix"
    }
  ],
  "etymology_text": "жер (jer) + -тану (-tanu).",
  "forms": [
    {
      "form": "jertanu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "жертану • (jertanu)",
      "name": "kk-noun"
    }
  ],
  "lang": "Kazakh",
  "lang_code": "kk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Kazakh entries with incorrect language header",
        "Kazakh lemmas",
        "Kazakh nouns",
        "Kazakh terms suffixed with -тану",
        "Kazakh terms with redundant script codes",
        "Pages with 1 entry",
        "Pages with entries",
        "kk:Geography"
      ],
      "glosses": [
        "physical geography"
      ],
      "links": [
        [
          "physical geography",
          "physical geography"
        ]
      ]
    }
  ],
  "word": "жертану"
}