"א־" meaning in Aramaic

{
  "etymology_text": "From עַל (ʿal), with the ל (l) assimilated onto the following consonant, and the ע (ʿ) respelled as א (ʾ) since they had merged in pronunciation in Jewish Babylonian Aramaic.",
  "forms": [
    {
      "form": "אַ־",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʾa-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "arc",
        "2": "preposition",
        "head": "אַ־",
        "tr": "ʾa-"
      },
      "expansion": "אַ־ • (ʾa-)",
      "name": "head"
    }
  ],
  "lang": "Aramaic",
  "lang_code": "arc",
  "pos": "prep",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "ʿal",
          "word": "עַל"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Aramaic entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Aramaic prepositions",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Jewish Babylonian Aramaic",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "57 7 7 7 7 7 7 1 1",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 9 8 8 8 8 9 0 1",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              2,
              3
            ],
            [
              13,
              14
            ]
          ],
          "bold_translation_offsets": [
            [
              56,
              65
            ]
          ],
          "english": "But [the Mishnah] teaches “and thus”. [This is in fact] regarding “rough stone” and “smooth stone”.",
          "ref": "a. 500 C.E., Babylonian Talmud. Bava Batra, section 2.1:",
          "text": "והא וכן קתני אגויל וגזית",
          "translation": "But [the Mishnah] teaches “and thus”. [This is in fact] regarding “rough stone” and “smooth stone”.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Jewish Babylonian Aramaic form of עַל (ʿal)"
      ],
      "id": "en-א־-arc-prep-I54dRjpP",
      "links": [
        [
          "עַל",
          "על#Aramaic"
        ]
      ],
      "tags": [
        "Jewish-Babylonian-Aramaic",
        "alt-of"
      ]
    }
  ],
  "word": "א־"
}

{
  "categories": [
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_text": "From עַל (ʿal), with the ל (l) assimilated onto the following consonant, and the ע (ʿ) respelled as א (ʾ) since they had merged in pronunciation in Jewish Babylonian Aramaic.",
  "forms": [
    {
      "form": "אַ־",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʾa-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "arc",
        "2": "preposition",
        "head": "אַ־",
        "tr": "ʾa-"
      },
      "expansion": "אַ־ • (ʾa-)",
      "name": "head"
    }
  ],
  "lang": "Aramaic",
  "lang_code": "arc",
  "pos": "prep",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "ʿal",
          "word": "עַל"
        }
      ],
      "categories": [
        "Aramaic entries with incorrect language header",
        "Aramaic lemmas",
        "Aramaic prepositions",
        "Hebrew terms with quotations",
        "Jewish Babylonian Aramaic",
        "Pages with 2 entries",
        "Pages with entries",
        "Requests for transliteration of Hebrew quotations"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              2,
              3
            ],
            [
              13,
              14
            ]
          ],
          "bold_translation_offsets": [
            [
              56,
              65
            ]
          ],
          "english": "But [the Mishnah] teaches “and thus”. [This is in fact] regarding “rough stone” and “smooth stone”.",
          "ref": "a. 500 C.E., Babylonian Talmud. Bava Batra, section 2.1:",
          "text": "והא וכן קתני אגויל וגזית",
          "translation": "But [the Mishnah] teaches “and thus”. [This is in fact] regarding “rough stone” and “smooth stone”.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Jewish Babylonian Aramaic form of עַל (ʿal)"
      ],
      "links": [
        [
          "עַל",
          "על#Aramaic"
        ]
      ],
      "tags": [
        "Jewish-Babylonian-Aramaic",
        "alt-of"
      ]
    }
  ],
  "word": "א־"
}