"middle-end" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "high-end"
      },
      "expansion": "high-end",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "low-end"
      },
      "expansion": "low-end",
      "name": "m"
    }
  ],
  "etymology_text": "Modelled on high-end and low-end, though it makes little logical sense in the context of a two-ended range of prices.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "middle-end (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Moderately priced; average quality."
      ],
      "id": "en-middle-end-en-adj-f4ZcVUK~",
      "raw_glosses": [
        "(rare) Moderately priced; average quality."
      ],
      "related": [
        {
          "word": "high-end"
        },
        {
          "word": "low-end"
        },
        {
          "word": "middlebrow"
        }
      ],
      "synonyms": [
        {
          "word": "mid-range"
        }
      ],
      "tags": [
        "not-comparable",
        "rare"
      ]
    }
  ],
  "word": "middle-end"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "high-end"
      },
      "expansion": "high-end",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "low-end"
      },
      "expansion": "low-end",
      "name": "m"
    }
  ],
  "etymology_text": "Modelled on high-end and low-end, though it makes little logical sense in the context of a two-ended range of prices.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "middle-end (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "high-end"
    },
    {
      "word": "low-end"
    },
    {
      "word": "middlebrow"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with rare senses",
        "English uncomparable adjectives"
      ],
      "glosses": [
        "Moderately priced; average quality."
      ],
      "raw_glosses": [
        "(rare) Moderately priced; average quality."
      ],
      "tags": [
        "not-comparable",
        "rare"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "mid-range"
    }
  ],
  "word": "middle-end"
}