"niech" meaning in Old Polish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "zlw-mas",
            "2": "niéch"
          },
          "expansion": "Masurian: niéch",
          "name": "desc"
        }
      ],
      "text": "Masurian: niéch"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "niech"
          },
          "expansion": "Polish: niech",
          "name": "desc"
        }
      ],
      "text": "Polish: niech"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "szl",
            "2": "niych"
          },
          "expansion": "Silesian: niych",
          "name": "desc"
        }
      ],
      "text": "Silesian: niych"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "niechaj"
      },
      "expansion": "Clipping of niechaj",
      "name": "clipping"
    },
    {
      "args": {
        "1": "15th century"
      },
      "expansion": "the 15th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "15th century"
      },
      "expansion": "First attested in the 15th century.",
      "name": "etydate"
    },
    {
      "args": {
        "1": "zlw-ocs",
        "2": "nechť"
      },
      "expansion": "Old Czech nechť",
      "name": "cog"
    }
  ],
  "etymology_text": "Clipping of niechaj. First attested in the 15th century. Compare Old Czech nechť.",
  "head_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "particle"
      },
      "expansion": "niech",
      "name": "head"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "particle",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Polish particles",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "forms third person imperative; let"
      ],
      "id": "en-niech-zlw-opl-particle-57VDeAkH",
      "links": [
        [
          "let",
          "let"
        ]
      ],
      "raw_glosses": [
        "(hortative) forms third person imperative; let"
      ],
      "related": [
        {
          "word": "niecha"
        },
        {
          "word": "niechaj"
        },
        {
          "tags": [
            "imperfective"
          ],
          "word": "niechać"
        }
      ],
      "synonyms": [
        {
          "word": "niecha"
        },
        {
          "word": "niechaj"
        }
      ],
      "tags": [
        "hortative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɲɛːx/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/ɲex/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "niech"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "zlw-mas",
            "2": "niéch"
          },
          "expansion": "Masurian: niéch",
          "name": "desc"
        }
      ],
      "text": "Masurian: niéch"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "niech"
          },
          "expansion": "Polish: niech",
          "name": "desc"
        }
      ],
      "text": "Polish: niech"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "szl",
            "2": "niych"
          },
          "expansion": "Silesian: niych",
          "name": "desc"
        }
      ],
      "text": "Silesian: niych"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "niechaj"
      },
      "expansion": "Clipping of niechaj",
      "name": "clipping"
    },
    {
      "args": {
        "1": "15th century"
      },
      "expansion": "the 15th century",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "15th century"
      },
      "expansion": "First attested in the 15th century.",
      "name": "etydate"
    },
    {
      "args": {
        "1": "zlw-ocs",
        "2": "nechť"
      },
      "expansion": "Old Czech nechť",
      "name": "cog"
    }
  ],
  "etymology_text": "Clipping of niechaj. First attested in the 15th century. Compare Old Czech nechť.",
  "head_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "particle"
      },
      "expansion": "niech",
      "name": "head"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "particle",
  "related": [
    {
      "word": "niecha"
    },
    {
      "word": "niechaj"
    },
    {
      "tags": [
        "imperfective"
      ],
      "word": "niechać"
    }
  ],
  "senses": [
    {
      "categories": [
        "Old Polish clippings",
        "Old Polish entries with incorrect language header",
        "Old Polish lemmas",
        "Old Polish particles",
        "Old Polish terms with IPA pronunciation"
      ],
      "glosses": [
        "forms third person imperative; let"
      ],
      "links": [
        [
          "let",
          "let"
        ]
      ],
      "raw_glosses": [
        "(hortative) forms third person imperative; let"
      ],
      "synonyms": [
        {
          "word": "niecha"
        },
        {
          "word": "niechaj"
        }
      ],
      "tags": [
        "hortative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɲɛːx/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/ɲex/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "niech"
}