"собою" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "Inherited"
      },
      "expansion": "Inherited",
      "name": "glossary"
    },
    {
      "args": {
        "1": "ru",
        "2": "sla-pro",
        "3": "*sobojǫ",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Proto-Slavic *sobojǫ",
      "name": "inh"
    },
    {
      "args": {
        "1": "ru",
        "2": "sla-pro",
        "3": "*sobojǫ"
      },
      "expansion": "Inherited from Proto-Slavic *sobojǫ",
      "name": "inh+"
    }
  ],
  "etymology_text": "Inherited from Proto-Slavic *sobojǫ.",
  "forms": [
    {
      "form": "собо́ю",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sobóju",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "pronoun form",
        "head": "собо́ю"
      },
      "expansion": "собо́ю • (sobóju)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(sobój); instrumental of себя́ (sebjá)",
          "word": "собо́й"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of собо́й (sobój); instrumental of себя́ (sebjá)"
      ],
      "id": "en-собою-ru-pron-tzPQsrgI",
      "links": [
        [
          "собо́й",
          "собой#Russian"
        ],
        [
          "себя́",
          "себя#Russian"
        ]
      ],
      "raw_glosses": [
        "(dated, poetic or dialectal) Alternative form of собо́й (sobój); instrumental of себя́ (sebjá)"
      ],
      "tags": [
        "alt-of",
        "alternative",
        "dated",
        "dialectal",
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sɐˈbojʊ]"
    }
  ],
  "word": "собою"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "Inherited"
      },
      "expansion": "Inherited",
      "name": "glossary"
    },
    {
      "args": {
        "1": "ru",
        "2": "sla-pro",
        "3": "*sobojǫ",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Proto-Slavic *sobojǫ",
      "name": "inh"
    },
    {
      "args": {
        "1": "ru",
        "2": "sla-pro",
        "3": "*sobojǫ"
      },
      "expansion": "Inherited from Proto-Slavic *sobojǫ",
      "name": "inh+"
    }
  ],
  "etymology_text": "Inherited from Proto-Slavic *sobojǫ.",
  "forms": [
    {
      "form": "собо́ю",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sobóju",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "pronoun form",
        "head": "собо́ю"
      },
      "expansion": "собо́ю • (sobóju)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(sobój); instrumental of себя́ (sebjá)",
          "word": "собо́й"
        }
      ],
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Russian 3-syllable words",
        "Russian dated terms",
        "Russian dialectal terms",
        "Russian entries with incorrect language header",
        "Russian non-lemma forms",
        "Russian poetic terms",
        "Russian pronoun forms",
        "Russian terms derived from Proto-Slavic",
        "Russian terms inherited from Proto-Slavic",
        "Russian terms with IPA pronunciation"
      ],
      "glosses": [
        "Alternative form of собо́й (sobój); instrumental of себя́ (sebjá)"
      ],
      "links": [
        [
          "собо́й",
          "собой#Russian"
        ],
        [
          "себя́",
          "себя#Russian"
        ]
      ],
      "raw_glosses": [
        "(dated, poetic or dialectal) Alternative form of собо́й (sobój); instrumental of себя́ (sebjá)"
      ],
      "tags": [
        "alt-of",
        "alternative",
        "dated",
        "dialectal",
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sɐˈbojʊ]"
    }
  ],
  "word": "собою"
}