"mnu" meaning in Haut-sorabe

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de pronoms personnels en haut-sorabe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Haut-sorabe",
      "orig": "haut-sorabe",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Haut-sorabe",
  "lang_code": "hsb",
  "pos": "pron",
  "pos_title": "Forme de pronom personnel",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en haut-sorabe",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              55,
              58
            ],
            [
              124,
              127
            ]
          ],
          "ref": "Dr Mertena Luthera Szenje ßwjateho Mattheja, 16, 24, Berlin, 1860 ; Évangile selon saint Matthieu",
          "text": "Tedy dżeſche Jesus kßwojim Wucżomnikam : Zeli ſchtu ſa mnu pſchincż, ton ßam ßo ſaprjej, a wſmi ßwoj Kſchiż na ßo, a poj ſa mnu.",
          "translation": "Alors Jésus dit à ses disciples : Si quelqu’un veut me suivre, qu’il se renie lui-même, et prenne sa croix et me suive."
        }
      ],
      "form_of": [
        {
          "word": "ja"
        }
      ],
      "glosses": [
        "Instrumental de ja."
      ],
      "id": "fr-mnu-hsb-pron-GSqQdBWg"
    }
  ],
  "tags": [
    "form-of",
    "person"
  ],
  "word": "mnu"
}

{
  "categories": [
    "Formes de pronoms personnels en haut-sorabe",
    "haut-sorabe"
  ],
  "lang": "Haut-sorabe",
  "lang_code": "hsb",
  "pos": "pron",
  "pos_title": "Forme de pronom personnel",
  "senses": [
    {
      "categories": [
        "Exemples en haut-sorabe"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              55,
              58
            ],
            [
              124,
              127
            ]
          ],
          "ref": "Dr Mertena Luthera Szenje ßwjateho Mattheja, 16, 24, Berlin, 1860 ; Évangile selon saint Matthieu",
          "text": "Tedy dżeſche Jesus kßwojim Wucżomnikam : Zeli ſchtu ſa mnu pſchincż, ton ßam ßo ſaprjej, a wſmi ßwoj Kſchiż na ßo, a poj ſa mnu.",
          "translation": "Alors Jésus dit à ses disciples : Si quelqu’un veut me suivre, qu’il se renie lui-même, et prenne sa croix et me suive."
        }
      ],
      "form_of": [
        {
          "word": "ja"
        }
      ],
      "glosses": [
        "Instrumental de ja."
      ]
    }
  ],
  "tags": [
    "form-of",
    "person"
  ],
  "word": "mnu"
}