"-ся" meaning in Ukrainian

{
  "etymology_templates": [
    {
      "args": {
        "1": "uk",
        "2": "orv",
        "3": "сѧ"
      },
      "expansion": "Old East Slavic сѧ (sę)",
      "name": "inh"
    },
    {
      "args": {
        "1": "uk",
        "2": "sla-pro",
        "3": "*sę"
      },
      "expansion": "Proto-Slavic *sę",
      "name": "inh"
    },
    {
      "args": {
        "1": "uk",
        "2": "ine-bsl-pro",
        "3": "*sen"
      },
      "expansion": "Proto-Balto-Slavic *sen",
      "name": "inh"
    },
    {
      "args": {
        "1": "uk",
        "2": "ine-pro",
        "3": "*swé"
      },
      "expansion": "Proto-Indo-European *swé",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old East Slavic сѧ (sę), from Proto-Slavic *sę, from Proto-Balto-Slavic *sen, from Proto-Indo-European *swé.",
  "forms": [
    {
      "form": "-sja",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "suffix"
      },
      "expansion": "-ся • (-sja)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Reflexive suffix appended to finite verbs and infinitives to make a reflexive, reciprocal, intransitive or passive verb."
      ],
      "id": "en--ся-uk-suffix-LGAnIDYh",
      "links": [
        [
          "reflexive",
          "reflexive#English"
        ],
        [
          "reciprocal",
          "reciprocal#English"
        ],
        [
          "intransitive",
          "intransitive#English"
        ],
        [
          "passive",
          "passive#English"
        ]
      ],
      "synonyms": [
        {
          "roman": "-sʹ",
          "word": "-сь"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q8798 (ukr)-Po ukraińsku (Andriana)--ся.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/16/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/16/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "-ся"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "uk",
        "2": "orv",
        "3": "сѧ"
      },
      "expansion": "Old East Slavic сѧ (sę)",
      "name": "inh"
    },
    {
      "args": {
        "1": "uk",
        "2": "sla-pro",
        "3": "*sę"
      },
      "expansion": "Proto-Slavic *sę",
      "name": "inh"
    },
    {
      "args": {
        "1": "uk",
        "2": "ine-bsl-pro",
        "3": "*sen"
      },
      "expansion": "Proto-Balto-Slavic *sen",
      "name": "inh"
    },
    {
      "args": {
        "1": "uk",
        "2": "ine-pro",
        "3": "*swé"
      },
      "expansion": "Proto-Indo-European *swé",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old East Slavic сѧ (sę), from Proto-Slavic *sę, from Proto-Balto-Slavic *sen, from Proto-Indo-European *swé.",
  "forms": [
    {
      "form": "-sja",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "suffix"
      },
      "expansion": "-ся • (-sja)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Ukrainian entries with incorrect language header",
        "Ukrainian lemmas",
        "Ukrainian suffixes",
        "Ukrainian terms derived from Old East Slavic",
        "Ukrainian terms derived from Proto-Balto-Slavic",
        "Ukrainian terms derived from Proto-Indo-European",
        "Ukrainian terms derived from Proto-Slavic",
        "Ukrainian terms inherited from Old East Slavic",
        "Ukrainian terms inherited from Proto-Balto-Slavic",
        "Ukrainian terms inherited from Proto-Indo-European",
        "Ukrainian terms inherited from Proto-Slavic",
        "Ukrainian terms with audio links"
      ],
      "glosses": [
        "Reflexive suffix appended to finite verbs and infinitives to make a reflexive, reciprocal, intransitive or passive verb."
      ],
      "links": [
        [
          "reflexive",
          "reflexive#English"
        ],
        [
          "reciprocal",
          "reciprocal#English"
        ],
        [
          "intransitive",
          "intransitive#English"
        ],
        [
          "passive",
          "passive#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q8798 (ukr)-Po ukraińsku (Andriana)--ся.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/16/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/16/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav/LL-Q8798_%28ukr%29-Po_ukrai%C5%84sku_%28Andriana%29--%D1%81%D1%8F.wav.ogg",
      "text": "Audio"
    }
  ],
  "synonyms": [
    {
      "roman": "-sʹ",
      "word": "-сь"
    }
  ],
  "word": "-ся"
}