"fu acis" meaning in Old Irish

{
  "etymology_text": "It is uncertain whether acis is the same word as accuis (“cause, occasion”). If so, either the meaning ‘pretense’ is nowhere else attested for accuis or the scribe misinterpreted the Latin sub obtentu.",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "prepositional phrase"
      },
      "expansion": "fu acis",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "under pretense, under the pretext",
          "ref": "808, Book of Armagh, 189ᵃ2, published in Thesaurus Palaeohibernicus (1901–03, Cambridge University Press; reprinted 1975, 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. 1, p. 498, l. 29",
          "text": "fu acis [translating sub obtentu]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "under pretense, under the pretext"
      ],
      "id": "en-fu_acis-sga-prep_phrase-sm3dGWr1",
      "links": [
        [
          "pretense",
          "pretense"
        ],
        [
          "pretext",
          "pretext"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸuˈakɨsʲ]"
    }
  ],
  "word": "fu acis"
}

{
  "etymology_text": "It is uncertain whether acis is the same word as accuis (“cause, occasion”). If so, either the meaning ‘pretense’ is nowhere else attested for accuis or the scribe misinterpreted the Latin sub obtentu.",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "prepositional phrase"
      },
      "expansion": "fu acis",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "Old Irish entries with incorrect language header",
        "Old Irish lemmas",
        "Old Irish multiword terms",
        "Old Irish prepositional phrases",
        "Old Irish terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "under pretense, under the pretext",
          "ref": "808, Book of Armagh, 189ᵃ2, published in Thesaurus Palaeohibernicus (1901–03, Cambridge University Press; reprinted 1975, 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. 1, p. 498, l. 29",
          "text": "fu acis [translating sub obtentu]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "under pretense, under the pretext"
      ],
      "links": [
        [
          "pretense",
          "pretense"
        ],
        [
          "pretext",
          "pretext"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸuˈakɨsʲ]"
    }
  ],
  "word": "fu acis"
}