"-i" meaning in Lower Sorbian

{
  "etymology_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "sla-pro",
        "3": "*-jь"
      },
      "expansion": "Proto-Slavic *-jь",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *-jь.",
  "head_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "suffix",
        "cat2": "adjective-forming suffixes"
      },
      "expansion": "-i",
      "name": "head"
    }
  ],
  "lang": "Lower Sorbian",
  "lang_code": "dsb",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lower Sorbian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "suffix creating an adjective from a noun, denoting ‘of or pertaining to’"
      ],
      "id": "en--i-dsb-suffix-GROLgMhh",
      "synonyms": [
        {
          "english": "hard; after consonants",
          "word": "-y"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-i"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "sla-pro",
        "3": "*-jь"
      },
      "expansion": "Proto-Slavic *-jь",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *-jь.",
  "head_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "suffix",
        "cat2": "adjective-forming suffixes"
      },
      "expansion": "-i",
      "name": "head"
    }
  ],
  "lang": "Lower Sorbian",
  "lang_code": "dsb",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Lower Sorbian adjective-forming suffixes",
        "Lower Sorbian entries with incorrect language header",
        "Lower Sorbian lemmas",
        "Lower Sorbian suffixes",
        "Lower Sorbian terms derived from Proto-Slavic",
        "Lower Sorbian terms inherited from Proto-Slavic",
        "Pages with raw sortkeys"
      ],
      "glosses": [
        "suffix creating an adjective from a noun, denoting ‘of or pertaining to’"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "english": "hard; after consonants",
      "word": "-y"
    }
  ],
  "word": "-i"
}