"-ach" meaning in Ido

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "eo",
        "3": "-aĉ-"
      },
      "expansion": "Esperanto -aĉ-",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "roa"
      },
      "expansion": "Romance",
      "name": "der"
    }
  ],
  "etymology_text": "From Esperanto -aĉ-, from Romance languages.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "interfix"
      },
      "expansion": "-ach",
      "name": "head"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ido interfixes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 8 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "13 23 1 1 2 3 1 17 3 1 22 1 2 10",
          "kind": "other",
          "name": "Pages with 8 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 21 1 1 1 4 1 16 4 1 20 1 1 15",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "nigro (“black person”) + -ach → nigracho (“nigger”)",
          "type": "example"
        },
        {
          "text": "domo (“house”) + -ach → domacho (“hovel”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to denote substandard degree, lack of quality, or inferiority."
      ],
      "id": "en--ach-io-interfix-~kG-ZP2Y",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/at͡ʃ/"
    }
  ],
  "word": "-ach"
}

{
  "categories": [
    "Pages using catfix",
    "Pages with 8 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "eo",
        "3": "-aĉ-"
      },
      "expansion": "Esperanto -aĉ-",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "roa"
      },
      "expansion": "Romance",
      "name": "der"
    }
  ],
  "etymology_text": "From Esperanto -aĉ-, from Romance languages.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "interfix"
      },
      "expansion": "-ach",
      "name": "head"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        "Ido entries with incorrect language header",
        "Ido interfixes",
        "Ido lemmas",
        "Ido terms derived from Esperanto",
        "Ido terms derived from Romance languages",
        "Pages with 8 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "nigro (“black person”) + -ach → nigracho (“nigger”)",
          "type": "example"
        },
        {
          "text": "domo (“house”) + -ach → domacho (“hovel”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to denote substandard degree, lack of quality, or inferiority."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/at͡ʃ/"
    }
  ],
  "word": "-ach"
}