"a-" meaning in French

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      "args": {
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      "expansion": "Inherited",
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    {
      "args": {
        "1": "fr",
        "2": "fro",
        "3": "a-",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Old French a-",
      "name": "inh"
    },
    {
      "args": {
        "1": "fr",
        "2": "fro",
        "3": "a-"
      },
      "expansion": "Inherited from Old French a-",
      "name": "inh+"
    },
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "ad-"
      },
      "expansion": "Latin ad-",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Old French a-, from Latin ad-.",
  "head_templates": [
    {
      "args": {},
      "expansion": "a-",
      "name": "fr-prefix"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "A prefix forming words, especially verbs, that denote entering a state, making progress toward a goal, or the like."
      ],
      "id": "en-a--fr-prefix-7cyA7XqG",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a/"
    }
  ],
  "word": "a-"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "ἀ-"
      },
      "expansion": "Ancient Greek ἀ- (a-)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ἀ- (a-) (ἀν- (an-) immediately preceding a vowel; generalized from the many Latin borrowings using this prefix.",
  "head_templates": [
    {
      "args": {},
      "expansion": "a-",
      "name": "fr-prefix"
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  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "23 77",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
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      ],
      "glosses": [
        "a-, non-, -less"
      ],
      "id": "en-a--fr-prefix-9oA9tMQa",
      "links": [
        [
          "a-",
          "a-#English"
        ],
        [
          "non-",
          "non-"
        ],
        [
          "-less",
          "-less"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a/"
    }
  ],
  "word": "a-"
}

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  "categories": [
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    "French entries with incorrect language header",
    "French lemmas",
    "French prefixes",
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    "French terms derived from Old French",
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    "French terms inherited from Old French",
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        "3": "a-",
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        "g3": "",
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        "lit": "",
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        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Old French a-",
      "name": "inh"
    },
    {
      "args": {
        "1": "fr",
        "2": "fro",
        "3": "a-"
      },
      "expansion": "Inherited from Old French a-",
      "name": "inh+"
    },
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "ad-"
      },
      "expansion": "Latin ad-",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Old French a-, from Latin ad-.",
  "head_templates": [
    {
      "args": {},
      "expansion": "a-",
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    }
  ],
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  "lang_code": "fr",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "A prefix forming words, especially verbs, that denote entering a state, making progress toward a goal, or the like."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a/"
    }
  ],
  "word": "a-"
}

{
  "categories": [
    "French 1-syllable words",
    "French entries with incorrect language header",
    "French lemmas",
    "French prefixes",
    "French terms derived from Ancient Greek",
    "French terms with IPA pronunciation",
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    "Pages with 52 entries",
    "Pages with entries"
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      "args": {
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        "2": "grc",
        "3": "ἀ-"
      },
      "expansion": "Ancient Greek ἀ- (a-)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ἀ- (a-) (ἀν- (an-) immediately preceding a vowel; generalized from the many Latin borrowings using this prefix.",
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      "args": {},
      "expansion": "a-",
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  ],
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  "lang_code": "fr",
  "pos": "prefix",
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    {
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        "a-, non-, -less"
      ],
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        [
          "a-",
          "a-#English"
        ],
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          "non-",
          "non-"
        ],
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          "-less",
          "-less"
        ]
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        "morpheme"
      ]
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  ],
  "sounds": [
    {
      "ipa": "/a/"
    }
  ],
  "word": "a-"
}