"mono-" meaning in Galician

{
  "etymology_templates": [
    {
      "args": {
        "1": "gl",
        "2": "grc",
        "3": "μόνος",
        "4": "",
        "5": "alone, only, sole, single"
      },
      "expansion": "Ancient Greek μόνος (mónos, “alone, only, sole, single”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μόνος (mónos, “alone, only, sole, single”).",
  "head_templates": [
    {
      "args": {
        "1": "gl",
        "2": "prefix"
      },
      "expansion": "mono-",
      "name": "head"
    }
  ],
  "lang": "Galician",
  "lang_code": "gl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Galician entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 13 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "mono-"
      ],
      "id": "en-mono--gl-prefix-HZ~ODCNR",
      "links": [
        [
          "mono-",
          "mono-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "mono-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "gl",
        "2": "grc",
        "3": "μόνος",
        "4": "",
        "5": "alone, only, sole, single"
      },
      "expansion": "Ancient Greek μόνος (mónos, “alone, only, sole, single”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μόνος (mónos, “alone, only, sole, single”).",
  "head_templates": [
    {
      "args": {
        "1": "gl",
        "2": "prefix"
      },
      "expansion": "mono-",
      "name": "head"
    }
  ],
  "lang": "Galician",
  "lang_code": "gl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Galician entries with incorrect language header",
        "Galician lemmas",
        "Galician prefixes",
        "Galician terms derived from Ancient Greek",
        "Pages with 13 entries",
        "Pages with entries"
      ],
      "glosses": [
        "mono-"
      ],
      "links": [
        [
          "mono-",
          "mono-#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "mono-"
}