"an" meaning in Old Norse

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "non",
            "2": "en",
            "der": "1",
            "id": "than"
          },
          "expansion": "⇒ Old Norse: en\nIcelandic: en\nNorwegian Nynorsk: enn\nNorwegian Bokmål: enn\nOld Swedish: æn\nSwedish: än\nDanish: end",
          "name": "desctree"
        }
      ],
      "text": "⇒ Old Norse: en\nIcelandic: en\nNorwegian Nynorsk: enn\nNorwegian Bokmål: enn\nOld Swedish: æn\nSwedish: än\nDanish: end"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "non",
        "2": "gem-pro",
        "3": "*þan"
      },
      "expansion": "Proto-Germanic *þan",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "þonne",
        "3": "",
        "4": "than"
      },
      "expansion": "Old English þonne (“than”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "gmq-pro",
        "2": "ᚦᚨᛏ"
      },
      "expansion": "Proto-Norse ᚦᚨᛏ (þat)",
      "name": "ncog"
    }
  ],
  "etymology_text": "Ultimately from Proto-Germanic *þan, possibly through *þannai, whence cognate with Old English þonne (“than”). For similar loss of þ- compare at from earlier Proto-Norse ᚦᚨᛏ (þat), ᚦᛡᛏ (þᴀt).",
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "conjunction"
      },
      "expansion": "an",
      "name": "head"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Norse entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 82 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "than"
      ],
      "id": "en-an-non-conj-non:than",
      "links": [
        [
          "than",
          "than"
        ]
      ],
      "senseid": [
        "non:than"
      ]
    }
  ],
  "word": "an"
}

{
  "categories": [
    "Pages with 82 entries",
    "Pages with entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "non",
            "2": "en",
            "der": "1",
            "id": "than"
          },
          "expansion": "⇒ Old Norse: en\nIcelandic: en\nNorwegian Nynorsk: enn\nNorwegian Bokmål: enn\nOld Swedish: æn\nSwedish: än\nDanish: end",
          "name": "desctree"
        }
      ],
      "text": "⇒ Old Norse: en\nIcelandic: en\nNorwegian Nynorsk: enn\nNorwegian Bokmål: enn\nOld Swedish: æn\nSwedish: än\nDanish: end"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "non",
        "2": "gem-pro",
        "3": "*þan"
      },
      "expansion": "Proto-Germanic *þan",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "þonne",
        "3": "",
        "4": "than"
      },
      "expansion": "Old English þonne (“than”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "gmq-pro",
        "2": "ᚦᚨᛏ"
      },
      "expansion": "Proto-Norse ᚦᚨᛏ (þat)",
      "name": "ncog"
    }
  ],
  "etymology_text": "Ultimately from Proto-Germanic *þan, possibly through *þannai, whence cognate with Old English þonne (“than”). For similar loss of þ- compare at from earlier Proto-Norse ᚦᚨᛏ (þat), ᚦᛡᛏ (þᴀt).",
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "conjunction"
      },
      "expansion": "an",
      "name": "head"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "Old Norse conjunctions",
        "Old Norse entries with incorrect language header",
        "Old Norse lemmas",
        "Old Norse terms derived from Proto-Germanic",
        "Old Norse terms inherited from Proto-Germanic",
        "Pages with 82 entries",
        "Pages with entries"
      ],
      "glosses": [
        "than"
      ],
      "links": [
        [
          "than",
          "than"
        ]
      ],
      "senseid": [
        "non:than"
      ]
    }
  ],
  "word": "an"
}