"sy" meaning in Egyptian

{
  "head_templates": [
    {
      "args": {
        "1": "egy",
        "2": "romanization"
      },
      "expansion": "sy",
      "name": "head"
    }
  ],
  "lang": "Egyptian",
  "lang_code": "egy",
  "pos": "romanization",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Egyptian alternative transliterations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Egyptian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Egyptian romanizations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 18 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative transliteration of zy."
      ],
      "id": "en-sy-egy-romanization-xhN5PCkv",
      "links": [
        [
          "zy",
          "zy#Egyptian"
        ]
      ],
      "tags": [
        "romanization"
      ]
    }
  ],
  "word": "sy"
}

{
  "categories": [
    "Pages with 18 entries",
    "Pages with entries",
    "West Frisian entries with incorrect language header",
    "West Frisian lemmas",
    "West Frisian personal pronouns",
    "West Frisian pronouns"
  ],
  "head_templates": [
    {
      "args": {
        "1": "egy",
        "2": "romanization"
      },
      "expansion": "sy",
      "name": "head"
    }
  ],
  "lang": "Egyptian",
  "lang_code": "egy",
  "pos": "romanization",
  "senses": [
    {
      "categories": [
        "Egyptian alternative transliterations",
        "Egyptian entries with incorrect language header",
        "Egyptian non-lemma forms",
        "Egyptian romanizations",
        "Pages with 18 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Alternative transliteration of zy."
      ],
      "links": [
        [
          "zy",
          "zy#Egyptian"
        ]
      ],
      "tags": [
        "romanization"
      ]
    }
  ],
  "word": "sy"
}