"sy" meaning in Lower Sorbian

{
  "etymology_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "sla-pro",
        "3": "*esi"
      },
      "expansion": "Proto-Slavic *esi",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *esi.",
  "head_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "verb form"
      },
      "expansion": "sy",
      "name": "head"
    }
  ],
  "lang": "Lower Sorbian",
  "lang_code": "dsb",
  "pos": "verb",
  "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 18 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "byś"
        }
      ],
      "glosses": [
        "second-person singular present of byś"
      ],
      "id": "en-sy-dsb-verb-HtJZAE51",
      "links": [
        [
          "byś",
          "byś#Lower_Sorbian"
        ]
      ],
      "tags": [
        "form-of",
        "present",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sɨ]"
    }
  ],
  "word": "sy"
}

{
  "categories": [
    "Pages with 18 entries",
    "Pages with entries",
    "West Frisian entries with incorrect language header",
    "West Frisian lemmas",
    "West Frisian personal pronouns",
    "West Frisian pronouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "sla-pro",
        "3": "*esi"
      },
      "expansion": "Proto-Slavic *esi",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *esi.",
  "head_templates": [
    {
      "args": {
        "1": "dsb",
        "2": "verb form"
      },
      "expansion": "sy",
      "name": "head"
    }
  ],
  "lang": "Lower Sorbian",
  "lang_code": "dsb",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Lower Sorbian entries with incorrect language header",
        "Lower Sorbian non-lemma forms",
        "Lower Sorbian terms derived from Proto-Slavic",
        "Lower Sorbian terms inherited from Proto-Slavic",
        "Lower Sorbian verb forms",
        "Pages with 18 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "byś"
        }
      ],
      "glosses": [
        "second-person singular present of byś"
      ],
      "links": [
        [
          "byś",
          "byś#Lower_Sorbian"
        ]
      ],
      "tags": [
        "form-of",
        "present",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sɨ]"
    }
  ],
  "word": "sy"
}