"dana" meaning in Middle Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "mga",
        "2": "sga",
        "3": "dano"
      },
      "expansion": "Old Irish dano",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish dano.",
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "particle",
        "3": "always postpositive"
      },
      "expansion": "dana (always postpositive)",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "particle",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle Irish particles",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "used to indicate that a clause contains an inference from what goes before: then, therefore"
      ],
      "id": "en-dana-mga-particle-HkjSpkGO",
      "links": [
        [
          "then",
          "then"
        ],
        [
          "therefore",
          "therefore"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "archaic"
          ],
          "word": "dano"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdana/"
    }
  ],
  "word": "dana"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mga",
        "2": "sga",
        "3": "dano"
      },
      "expansion": "Old Irish dano",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish dano.",
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "particle",
        "3": "always postpositive"
      },
      "expansion": "dana (always postpositive)",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "particle",
  "senses": [
    {
      "categories": [
        "Middle Irish entries with incorrect language header",
        "Middle Irish lemmas",
        "Middle Irish particles",
        "Middle Irish terms derived from Old Irish",
        "Middle Irish terms inherited from Old Irish",
        "Middle Irish terms with IPA pronunciation"
      ],
      "glosses": [
        "used to indicate that a clause contains an inference from what goes before: then, therefore"
      ],
      "links": [
        [
          "then",
          "then"
        ],
        [
          "therefore",
          "therefore"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdana/"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "archaic"
      ],
      "word": "dano"
    }
  ],
  "word": "dana"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: always postpositive",
  "path": [
    "dana"
  ],
  "section": "Middle Irish",
  "subsection": "particle",
  "title": "dana",
  "trace": ""
}