"а-" meaning in Serbo-Croatian

{
  "etymology_templates": [
    {
      "args": {
        "1": "sh",
        "2": "grc",
        "3": "ἀ-"
      },
      "expansion": "Ancient Greek ἀ- (a-)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἀν-"
      },
      "expansion": "ἀν- (an-)",
      "name": "m"
    },
    {
      "args": {
        "1": "sh",
        "2": "ine-pro",
        "3": "*n̥-",
        "t": "un-, not"
      },
      "expansion": "Proto-Indo-European *n̥- (“un-, not”)",
      "name": "der"
    },
    {
      "args": {
        "1": "ine-pro",
        "2": "*ne",
        "3": "",
        "4": "not"
      },
      "expansion": "*ne (“not”)",
      "name": "m"
    },
    {
      "args": {
        "1": "sh",
        "2": "не"
      },
      "expansion": "Doublet of не",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Ancient Greek ἀ- (a-) (ἀν- (an-) immediately preceding a vowel), from Proto-Indo-European *n̥- (“un-, not”), zero-grade form of *ne (“not”). Doublet of не.",
  "forms": [
    {
      "form": "a-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "а- (Latin spelling a-)",
      "name": "sh-prefix"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "а- + со̏ција̄лан → а̏соција̄лан",
          "type": "example"
        },
        {
          "text": "а- + симѐтрија → асимѐтрија",
          "type": "example"
        },
        {
          "text": "а- + brahija → абрахија",
          "type": "example"
        }
      ],
      "glosses": [
        "Prefix prepended to words to denote a negation, deprivation or absence of a property denoted by base word."
      ],
      "id": "en-а--sh-prefix-0BYiBjwd",
      "synonyms": [
        {
          "word": "без-"
        },
        {
          "word": "не-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "а-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sh",
        "2": "grc",
        "3": "ἀ-"
      },
      "expansion": "Ancient Greek ἀ- (a-)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἀν-"
      },
      "expansion": "ἀν- (an-)",
      "name": "m"
    },
    {
      "args": {
        "1": "sh",
        "2": "ine-pro",
        "3": "*n̥-",
        "t": "un-, not"
      },
      "expansion": "Proto-Indo-European *n̥- (“un-, not”)",
      "name": "der"
    },
    {
      "args": {
        "1": "ine-pro",
        "2": "*ne",
        "3": "",
        "4": "not"
      },
      "expansion": "*ne (“not”)",
      "name": "m"
    },
    {
      "args": {
        "1": "sh",
        "2": "не"
      },
      "expansion": "Doublet of не",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Ancient Greek ἀ- (a-) (ἀν- (an-) immediately preceding a vowel), from Proto-Indo-European *n̥- (“un-, not”), zero-grade form of *ne (“not”). Doublet of не.",
  "forms": [
    {
      "form": "a-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "а- (Latin spelling a-)",
      "name": "sh-prefix"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Serbo-Croatian doublets",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian prefixes",
        "Serbo-Croatian terms derived from Ancient Greek",
        "Serbo-Croatian terms derived from Proto-Indo-European"
      ],
      "examples": [
        {
          "text": "а- + со̏ција̄лан → а̏соција̄лан",
          "type": "example"
        },
        {
          "text": "а- + симѐтрија → асимѐтрија",
          "type": "example"
        },
        {
          "text": "а- + brahija → абрахија",
          "type": "example"
        }
      ],
      "glosses": [
        "Prefix prepended to words to denote a negation, deprivation or absence of a property denoted by base word."
      ],
      "synonyms": [
        {
          "word": "без-"
        },
        {
          "word": "не-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "а-"
}