"-k" meaning in Old Norse

{
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "pronouns",
        "cat2": "clitics"
      },
      "expansion": "-k",
      "name": "head"
    },
    {
      "args": {
        "1": "non",
        "2": "enclitic"
      },
      "expansion": "(enclitic)",
      "name": "tlb"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Norse clitics",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Norse entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Norse pronouns",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 25 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "hafða + -k → hafðak",
          "type": "example"
        },
        {
          "text": "em + -k → emk",
          "type": "example"
        },
        {
          "english": "I know that the best / nickname\nunder the blue sky / that a king might have […]",
          "ref": "9th c., Þjóðólfr of Hvinir, Ynglingatal, verse 27",
          "text": "Þat veitk bezt / und bláum himni\nkenninafn, / svát konungr eigi[…]",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "ek"
        }
      ],
      "glosses": [
        "enclitic form of ek"
      ],
      "id": "en--k-non-pron-HHQ52hcG",
      "links": [
        [
          "ek",
          "ek#Old_Norse"
        ]
      ],
      "related": [
        {
          "word": "-du"
        },
        {
          "word": "-ðu"
        },
        {
          "word": "-tu"
        }
      ],
      "synonyms": [
        {
          "word": "ek"
        }
      ],
      "tags": [
        "enclitic",
        "form-of"
      ]
    }
  ],
  "word": "-k"
}

{
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "pronouns",
        "cat2": "clitics"
      },
      "expansion": "-k",
      "name": "head"
    },
    {
      "args": {
        "1": "non",
        "2": "enclitic"
      },
      "expansion": "(enclitic)",
      "name": "tlb"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "pron",
  "related": [
    {
      "word": "-du"
    },
    {
      "word": "-ðu"
    },
    {
      "word": "-tu"
    }
  ],
  "senses": [
    {
      "categories": [
        "Old Norse clitics",
        "Old Norse entries with incorrect language header",
        "Old Norse lemmas",
        "Old Norse pronouns",
        "Old Norse terms with quotations",
        "Pages with 25 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "hafða + -k → hafðak",
          "type": "example"
        },
        {
          "text": "em + -k → emk",
          "type": "example"
        },
        {
          "english": "I know that the best / nickname\nunder the blue sky / that a king might have […]",
          "ref": "9th c., Þjóðólfr of Hvinir, Ynglingatal, verse 27",
          "text": "Þat veitk bezt / und bláum himni\nkenninafn, / svát konungr eigi[…]",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "ek"
        }
      ],
      "glosses": [
        "enclitic form of ek"
      ],
      "links": [
        [
          "ek",
          "ek#Old_Norse"
        ]
      ],
      "tags": [
        "enclitic",
        "form-of"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ek"
    }
  ],
  "word": "-k"
}