"కోస్తున్నావు" meaning in Telugu

{
  "forms": [
    {
      "form": "kōstunnāvu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "te",
        "2": "verb form",
        "tr": "kōstunnāvu"
      },
      "expansion": "కోస్తున్నావు • (kōstunnāvu)",
      "name": "head"
    }
  ],
  "lang": "Telugu",
  "lang_code": "te",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Telugu entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Telugu terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "kōyu",
          "word": "కోయు"
        }
      ],
      "glosses": [
        "second-person singular durative of కోయు (kōyu)"
      ],
      "id": "en-కోస్తున్నావు-te-verb-zMdSJoUv",
      "links": [
        [
          "కోయు",
          "కోయు#Telugu"
        ]
      ],
      "tags": [
        "durative",
        "form-of",
        "second-person",
        "singular"
      ]
    }
  ],
  "word": "కోస్తున్నావు"
}

{
  "forms": [
    {
      "form": "kōstunnāvu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "te",
        "2": "verb form",
        "tr": "kōstunnāvu"
      },
      "expansion": "కోస్తున్నావు • (kōstunnāvu)",
      "name": "head"
    }
  ],
  "lang": "Telugu",
  "lang_code": "te",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Telugu entries with incorrect language header",
        "Telugu non-lemma forms",
        "Telugu terms with redundant transliterations",
        "Telugu verb forms"
      ],
      "form_of": [
        {
          "extra": "kōyu",
          "word": "కోయు"
        }
      ],
      "glosses": [
        "second-person singular durative of కోయు (kōyu)"
      ],
      "links": [
        [
          "కోయు",
          "కోయు#Telugu"
        ]
      ],
      "tags": [
        "durative",
        "form-of",
        "second-person",
        "singular"
      ]
    }
  ],
  "word": "కోస్తున్నావు"
}