"paen-" meaning in Translingual

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "la",
        "3": "paene",
        "4": "",
        "5": "almost"
      },
      "expansion": "Latin paene (“almost”)",
      "name": "der"
    }
  ],
  "etymology_text": "Latin paene (“almost”)",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "paen-",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "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": [
        "Used to form taxonomic names or epithets with the meaning of almost or nearly the term to which it is prefixed"
      ],
      "id": "en-paen--mul-prefix-UMvv0S0J",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "paen-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "la",
        "3": "paene",
        "4": "",
        "5": "almost"
      },
      "expansion": "Latin paene (“almost”)",
      "name": "der"
    }
  ],
  "etymology_text": "Latin paene (“almost”)",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "prefix"
      },
      "expansion": "paen-",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Pages using catfix",
        "Pages with 1 entry",
        "Pages with entries",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual prefixes",
        "Translingual terms derived from Latin"
      ],
      "glosses": [
        "Used to form taxonomic names or epithets with the meaning of almost or nearly the term to which it is prefixed"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "paen-"
}