"upsila" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "adjective"
      },
      "expansion": "upsila",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "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"
        }
      ],
      "examples": [
        {
          "ref": "2004, D. McIlroy, The Application of Ichnology to Palaeoenvironmental and Stratigraphic Analysis (in English), page 81:",
          "text": "The type ichnospecies, P. tubiformis, is unlined, as are other ichnospecies, though P. upsila (Frey et al. 1984) and P. lutimuratus (Nesbitt & Campbell 2002) have a distinctive mud lining.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A species epithet."
      ],
      "id": "en-upsila-mul-adj-jvAarSSo",
      "links": [
        [
          "species epithet",
          "species epithet#English"
        ]
      ]
    }
  ],
  "word": "upsila"
}

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "adjective"
      },
      "expansion": "upsila",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "Translingual adjectives",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual terms with quotations"
      ],
      "examples": [
        {
          "ref": "2004, D. McIlroy, The Application of Ichnology to Palaeoenvironmental and Stratigraphic Analysis (in English), page 81:",
          "text": "The type ichnospecies, P. tubiformis, is unlined, as are other ichnospecies, though P. upsila (Frey et al. 1984) and P. lutimuratus (Nesbitt & Campbell 2002) have a distinctive mud lining.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A species epithet."
      ],
      "links": [
        [
          "species epithet",
          "species epithet#English"
        ]
      ]
    }
  ],
  "word": "upsila"
}