"trachy-" meaning in Translingual

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "grc",
        "3": "τρᾱχῠ́ς",
        "t": "spiky, jagged, prickly, bumpy, etc."
      },
      "expansion": "Ancient Greek τρᾱχῠ́ς (trākhŭ́s, “spiky, jagged, prickly, bumpy, etc.”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek τρᾱχῠ́ς (trākhŭ́s, “spiky, jagged, prickly, bumpy, etc.”).",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "trachy-",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Bumpy, spiky, rugged, rough, jagged, bumpy, etc."
      ],
      "id": "en-trachy--mul-prefix-TypZ6ZEP",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "trachy-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "grc",
        "3": "τρᾱχῠ́ς",
        "t": "spiky, jagged, prickly, bumpy, etc."
      },
      "expansion": "Ancient Greek τρᾱχῠ́ς (trākhŭ́s, “spiky, jagged, prickly, bumpy, etc.”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek τρᾱχῠ́ς (trākhŭ́s, “spiky, jagged, prickly, bumpy, etc.”).",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "trachy-",
      "name": "head"
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  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "senses": [
    {
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        "Pages with 1 entry",
        "Pages with entries",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual prefixes",
        "Translingual terms borrowed from Ancient Greek",
        "Translingual terms derived from Ancient Greek"
      ],
      "glosses": [
        "Bumpy, spiky, rugged, rough, jagged, bumpy, etc."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "trachy-"
}