"протоку" meaning in Russian

{
  "etymology_number": 1,
  "forms": [
    {
      "form": "прото́ку",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "protóku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun form",
        "g": "m-in",
        "head": "прото́ку"
      },
      "expansion": "прото́ку • (protóku) m inan",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "protók",
          "word": "прото́к"
        }
      ],
      "glosses": [
        "dative singular of прото́к (protók)"
      ],
      "id": "en-протоку-ru-noun-p9j-0Ywd",
      "links": [
        [
          "прото́к",
          "проток#Russian"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[prɐˈtokʊ]"
    }
  ],
  "word": "протоку"
}

{
  "etymology_number": 2,
  "forms": [
    {
      "form": "прото́ку",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "protóku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun form",
        "g": "f-in",
        "head": "прото́ку"
      },
      "expansion": "прото́ку • (protóku) f inan",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "protóka",
          "word": "прото́ка"
        }
      ],
      "glosses": [
        "accusative singular of прото́ка (protóka)"
      ],
      "id": "en-протоку-ru-noun-Og7fi1Kc",
      "links": [
        [
          "прото́ка",
          "протока#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[prɐˈtokʊ]"
    }
  ],
  "word": "протоку"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian 3-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian noun forms",
    "Russian terms with IPA pronunciation"
  ],
  "etymology_number": 1,
  "forms": [
    {
      "form": "прото́ку",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "protóku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun form",
        "g": "m-in",
        "head": "прото́ку"
      },
      "expansion": "прото́ку • (protóku) m inan",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "extra": "protók",
          "word": "прото́к"
        }
      ],
      "glosses": [
        "dative singular of прото́к (protók)"
      ],
      "links": [
        [
          "прото́к",
          "проток#Russian"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[prɐˈtokʊ]"
    }
  ],
  "word": "протоку"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian 3-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian noun forms",
    "Russian terms with IPA pronunciation"
  ],
  "etymology_number": 2,
  "forms": [
    {
      "form": "прото́ку",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "protóku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun form",
        "g": "f-in",
        "head": "прото́ку"
      },
      "expansion": "прото́ку • (protóku) f inan",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "extra": "protóka",
          "word": "прото́ка"
        }
      ],
      "glosses": [
        "accusative singular of прото́ка (protóka)"
      ],
      "links": [
        [
          "прото́ка",
          "протока#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[prɐˈtokʊ]"
    }
  ],
  "word": "протоку"
}