"ngin" meaning in Old Irish

{
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "gin"
        }
      ],
      "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 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Eclipsed form of gin."
      ],
      "id": "en-ngin-sga-noun-V-rh7BSC",
      "links": [
        [
          "gin",
          "gin#Old_Irish"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "eclipsis"
      ]
    }
  ],
  "word": "ngin"
}

{
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "gin"
        }
      ],
      "categories": [
        "Old Irish eclipsed forms",
        "Old Irish entries with incorrect language header",
        "Old Irish mutated nouns",
        "Old Irish non-lemma forms",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Eclipsed form of gin."
      ],
      "links": [
        [
          "gin",
          "gin#Old_Irish"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "eclipsis"
      ]
    }
  ],
  "word": "ngin"
}