"тэсэн" meaning in Mongolian

{
  "forms": [
    {
      "form": "tesen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "тэсэн • (tesen)",
      "name": "mn-verb-form"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Mongolian converbs",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "modal converb in -н (-n) of тэсэх (tesex, “to endure”)"
      ],
      "id": "en-тэсэн-mn-verb-3ofDqISS",
      "links": [
        [
          "-н",
          "-н#Mongolian:_verb_suffix"
        ],
        [
          "тэсэх",
          "тэсэх#Mongolian"
        ],
        [
          "endure",
          "endure"
        ]
      ]
    }
  ],
  "word": "тэсэн"
}

{
  "forms": [
    {
      "form": "tesen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "тэсэн • (tesen)",
      "name": "mn-verb-form"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Mongolian 2-syllable words",
        "Mongolian converbs",
        "Mongolian entries with incorrect language header",
        "Mongolian non-lemma forms",
        "Mongolian terms with redundant script codes",
        "Mongolian verb forms"
      ],
      "glosses": [
        "modal converb in -н (-n) of тэсэх (tesex, “to endure”)"
      ],
      "links": [
        [
          "-н",
          "-н#Mongolian:_verb_suffix"
        ],
        [
          "тэсэх",
          "тэсэх#Mongolian"
        ],
        [
          "endure",
          "endure"
        ]
      ]
    }
  ],
  "word": "тэсэн"
}