"o-" meaning in Bavarian

{
  "etymology_templates": [
    {
      "args": {
        "1": "bar",
        "2": "gmw-pro",
        "3": "*ana"
      },
      "expansion": "Proto-West Germanic *ana",
      "name": "inh"
    },
    {
      "args": {
        "1": "bar",
        "2": "gem-pro",
        "3": "*ana"
      },
      "expansion": "Proto-Germanic *ana",
      "name": "inh"
    },
    {
      "args": {
        "1": "de",
        "2": "an-"
      },
      "expansion": "German an-",
      "name": "cog"
    },
    {
      "args": {
        "1": "nl",
        "2": "aan-"
      },
      "expansion": "Dutch aan-",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "on-"
      },
      "expansion": "English on-",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-West Germanic *ana, from Proto-Germanic *ana. Compare German an-, Dutch aan-, English on-.",
  "head_templates": [
    {
      "args": {
        "1": "bar",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "o-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "o-",
      "name": "bar-prefix"
    }
  ],
  "lang": "Bavarian",
  "lang_code": "bar",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Bavarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 25 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "o- + schraufn (“to screw”) → oschraufn (“to screw on”)",
          "type": "example"
        },
        {
          "text": "o- + greifn (“to grab, seize”) → ogreifn (“to touch, handle”)",
          "type": "example"
        },
        {
          "text": "o- + brenna (“to burn”) → obrenna (“to scorch”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Separable verb prefix that indicates a direction, goal, destination and a contact made therein."
      ],
      "id": "en-o--bar-prefix-lA2LXG20",
      "synonyms": [
        {
          "tags": [
            "Bavarian",
            "Central",
            "East"
          ],
          "word": "å-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/oː/",
      "tags": [
        "Bavarian",
        "Central",
        "West"
      ]
    }
  ],
  "word": "o-"
}

{
  "categories": [
    "Pages with 25 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "bar",
        "2": "gmw-pro",
        "3": "*ana"
      },
      "expansion": "Proto-West Germanic *ana",
      "name": "inh"
    },
    {
      "args": {
        "1": "bar",
        "2": "gem-pro",
        "3": "*ana"
      },
      "expansion": "Proto-Germanic *ana",
      "name": "inh"
    },
    {
      "args": {
        "1": "de",
        "2": "an-"
      },
      "expansion": "German an-",
      "name": "cog"
    },
    {
      "args": {
        "1": "nl",
        "2": "aan-"
      },
      "expansion": "Dutch aan-",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "on-"
      },
      "expansion": "English on-",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-West Germanic *ana, from Proto-Germanic *ana. Compare German an-, Dutch aan-, English on-.",
  "head_templates": [
    {
      "args": {
        "1": "bar",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "o-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "o-",
      "name": "bar-prefix"
    }
  ],
  "lang": "Bavarian",
  "lang_code": "bar",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Bavarian entries with incorrect language header",
        "Bavarian lemmas",
        "Bavarian prefixes",
        "Bavarian terms derived from Proto-Germanic",
        "Bavarian terms derived from Proto-West Germanic",
        "Bavarian terms inherited from Proto-Germanic",
        "Bavarian terms inherited from Proto-West Germanic",
        "Pages using catfix",
        "Pages with 25 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "o- + schraufn (“to screw”) → oschraufn (“to screw on”)",
          "type": "example"
        },
        {
          "text": "o- + greifn (“to grab, seize”) → ogreifn (“to touch, handle”)",
          "type": "example"
        },
        {
          "text": "o- + brenna (“to burn”) → obrenna (“to scorch”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Separable verb prefix that indicates a direction, goal, destination and a contact made therein."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/oː/",
      "tags": [
        "Bavarian",
        "Central",
        "West"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "Bavarian",
        "Central",
        "East"
      ],
      "word": "å-"
    }
  ],
  "word": "o-"
}