"רוס" meaning in Yiddish

{
  "derived": [
    {
      "_dis1": "0 0",
      "roman": "rusish",
      "word": "רוסיש"
    },
    {
      "_dis1": "0 0",
      "roman": "rusland",
      "word": "רוסלאַנד"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "yi",
        "2": "gmh",
        "3": "Riuze"
      },
      "expansion": "Middle High German Riuze",
      "name": "inh"
    },
    {
      "args": {
        "1": "gmh",
        "2": "Riuz"
      },
      "expansion": "Riuz",
      "name": "m"
    },
    {
      "args": {
        "1": "gmh",
        "2": "Rûz"
      },
      "expansion": "Rûz",
      "name": "m"
    },
    {
      "args": {
        "1": "yi",
        "2": "orv",
        "3": "Русь"
      },
      "expansion": "Old East Slavic Русь (Rusĭ)",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle High German Riuze, Riuz, Rûz, from Old East Slavic Русь (Rusĭ).",
  "forms": [
    {
      "form": "rus",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "rusn",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "rusin",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ruske",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "yi",
        "2": "noun",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "רוס • (rus) m",
      "name": "head"
    },
    {
      "args": {
        "f": "רוסין",
        "f2": "רוסקע",
        "g": "m",
        "pl": "n"
      },
      "expansion": "רוס • (rus) m, plural רוסן (rusn), feminine רוסין (rusin) or רוסקע (ruske)",
      "name": "yi-noun"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "81 19",
          "kind": "other",
          "name": "Yiddish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "96 4",
          "kind": "other",
          "name": "Yiddish terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Russian (person)"
      ],
      "id": "en-רוס-yi-noun-VYW91Rl9",
      "links": [
        [
          "Russian",
          "Russian"
        ]
      ],
      "synonyms": [
        {
          "word": "רוסלענדער"
        }
      ]
    },
    {
      "glosses": [
        "cockroach"
      ],
      "id": "en-רוס-yi-noun-Fv08mzoo",
      "links": [
        [
          "cockroach",
          "cockroach"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʁʊs/"
    }
  ],
  "word": "רוס"
}

{
  "categories": [
    "Yiddish entries with incorrect language header",
    "Yiddish lemmas",
    "Yiddish masculine nouns",
    "Yiddish nouns",
    "Yiddish terms derived from Middle High German",
    "Yiddish terms derived from Old East Slavic",
    "Yiddish terms inherited from Middle High German",
    "Yiddish terms with IPA pronunciation",
    "Yiddish terms with redundant script codes"
  ],
  "derived": [
    {
      "roman": "rusish",
      "word": "רוסיש"
    },
    {
      "roman": "rusland",
      "word": "רוסלאַנד"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "yi",
        "2": "gmh",
        "3": "Riuze"
      },
      "expansion": "Middle High German Riuze",
      "name": "inh"
    },
    {
      "args": {
        "1": "gmh",
        "2": "Riuz"
      },
      "expansion": "Riuz",
      "name": "m"
    },
    {
      "args": {
        "1": "gmh",
        "2": "Rûz"
      },
      "expansion": "Rûz",
      "name": "m"
    },
    {
      "args": {
        "1": "yi",
        "2": "orv",
        "3": "Русь"
      },
      "expansion": "Old East Slavic Русь (Rusĭ)",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle High German Riuze, Riuz, Rûz, from Old East Slavic Русь (Rusĭ).",
  "forms": [
    {
      "form": "rus",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "rusn",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "rusin",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ruske",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "yi",
        "2": "noun",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "רוס • (rus) m",
      "name": "head"
    },
    {
      "args": {
        "f": "רוסין",
        "f2": "רוסקע",
        "g": "m",
        "pl": "n"
      },
      "expansion": "רוס • (rus) m, plural רוסן (rusn), feminine רוסין (rusin) or רוסקע (ruske)",
      "name": "yi-noun"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Russian (person)"
      ],
      "links": [
        [
          "Russian",
          "Russian"
        ]
      ],
      "synonyms": [
        {
          "word": "רוסלענדער"
        }
      ]
    },
    {
      "glosses": [
        "cockroach"
      ],
      "links": [
        [
          "cockroach",
          "cockroach"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʁʊs/"
    }
  ],
  "word": "רוס"
}