"баю" meaning in Russian

{
  "etymology_number": 1,
  "forms": [
    {
      "form": "ба́ю",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "báju",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun form",
        "g": "m-an",
        "head": "ба́ю"
      },
      "expansion": "ба́ю • (báju) m anim",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "extra": "baj",
          "word": "бай"
        }
      ],
      "glosses": [
        "dative singular of бай (baj)"
      ],
      "id": "en-баю-ru-noun-uZ0dZ1VE",
      "links": [
        [
          "бай",
          "бай#Russian"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbajʊ]"
    }
  ],
  "word": "баю"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "sla-pro",
        "3": "*baj-ǫ"
      },
      "expansion": "Proto-Slavic *baj-ǫ",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *baj-ǫ.",
  "forms": [
    {
      "form": "ба́ю",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "báju",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "ба́ю"
      },
      "expansion": "ба́ю • (báju)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "7 14 5 74",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "5 9 3 83",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 91",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "bájatʹ",
          "word": "ба́ять"
        }
      ],
      "glosses": [
        "first-person singular present indicative imperfective of ба́ять (bájatʹ)"
      ],
      "id": "en-баю-ru-verb-VLcUcDRV",
      "links": [
        [
          "ба́ять",
          "баять#Russian"
        ]
      ],
      "tags": [
        "first-person",
        "form-of",
        "imperfective",
        "indicative",
        "present",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbajʊ]"
    }
  ],
  "word": "баю"
}

{
  "categories": [
    "Pages with 2 entries",
    "Pages with entries",
    "Russian 2-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian noun forms",
    "Russian terms derived from Proto-Slavic",
    "Russian terms inherited from Proto-Slavic",
    "Russian terms with IPA pronunciation",
    "Russian verb forms"
  ],
  "etymology_number": 1,
  "forms": [
    {
      "form": "ба́ю",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "báju",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun form",
        "g": "m-an",
        "head": "ба́ю"
      },
      "expansion": "ба́ю • (báju) m anim",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "extra": "baj",
          "word": "бай"
        }
      ],
      "glosses": [
        "dative singular of бай (baj)"
      ],
      "links": [
        [
          "бай",
          "бай#Russian"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbajʊ]"
    }
  ],
  "word": "баю"
}

{
  "categories": [
    "Pages with 2 entries",
    "Pages with entries",
    "Russian 2-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian terms derived from Proto-Slavic",
    "Russian terms inherited from Proto-Slavic",
    "Russian terms with IPA pronunciation",
    "Russian verb forms"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "sla-pro",
        "3": "*baj-ǫ"
      },
      "expansion": "Proto-Slavic *baj-ǫ",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Slavic *baj-ǫ.",
  "forms": [
    {
      "form": "ба́ю",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "báju",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "ба́ю"
      },
      "expansion": "ба́ю • (báju)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "extra": "bájatʹ",
          "word": "ба́ять"
        }
      ],
      "glosses": [
        "first-person singular present indicative imperfective of ба́ять (bájatʹ)"
      ],
      "links": [
        [
          "ба́ять",
          "баять#Russian"
        ]
      ],
      "tags": [
        "first-person",
        "form-of",
        "imperfective",
        "indicative",
        "present",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbajʊ]"
    }
  ],
  "word": "баю"
}