"ma Lusi" meaning in Toki pona

{
  "categories": [
    {
      "kind": "other",
      "name": "TOK:Locuciones",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "TOK:Locuciones sustantivas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "TOK:Sustantivos",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Toki pona",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "no aplica",
        "leng": "tok"
      },
      "expansion": "ma + Lusi",
      "name": "etimología"
    }
  ],
  "etymology_text": "ma + Lusi.",
  "lang": "Toki pona",
  "lang_code": "tok",
  "pos": "phrase",
  "pos_title": "locución sustantiva propia",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "TOK:Países",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Rusia."
      ],
      "id": "es-ma_Lusi-tok-phrase-vakpy7GK",
      "sense_index": "1",
      "topics": [
        "countries"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈma ˈlu.si/"
    }
  ],
  "synonyms": [
    {
      "sense_index": "1",
      "word": "ma Losi"
    }
  ],
  "word": "ma Lusi"
}

{
  "categories": [
    "TOK:Locuciones",
    "TOK:Locuciones sustantivas",
    "TOK:Sustantivos",
    "Toki pona"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "no aplica",
        "leng": "tok"
      },
      "expansion": "ma + Lusi",
      "name": "etimología"
    }
  ],
  "etymology_text": "ma + Lusi.",
  "lang": "Toki pona",
  "lang_code": "tok",
  "pos": "phrase",
  "pos_title": "locución sustantiva propia",
  "senses": [
    {
      "categories": [
        "TOK:Países"
      ],
      "glosses": [
        "Rusia."
      ],
      "sense_index": "1",
      "topics": [
        "countries"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈma ˈlu.si/"
    }
  ],
  "synonyms": [
    {
      "sense_index": "1",
      "word": "ma Losi"
    }
  ],
  "word": "ma Lusi"
}