"ял" meaning in Russian

{
  "forms": [
    {
      "form": "jal",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form"
      },
      "expansion": "ял • (jal)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "jatʹ",
          "word": "ять"
        }
      ],
      "glosses": [
        "masculine singular past indicative perfective of ять (jatʹ)"
      ],
      "id": "en-ял-ru-verb-nR56Qdm8",
      "links": [
        [
          "ять",
          "ять#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "masculine",
        "past",
        "perfective",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jaɫ]"
    }
  ],
  "word": "ял"
}

{
  "categories": [
    "Rhymes:Western Mari/ɑl",
    "Rhymes:Western Mari/ɑl/1 syllable",
    "Western Mari entries with incorrect language header",
    "Western Mari lemmas",
    "Western Mari nouns",
    "Western Mari terms derived from Proto-Mari",
    "Western Mari terms derived from Proto-Uralic",
    "Western Mari terms inherited from Proto-Mari",
    "Western Mari terms inherited from Proto-Uralic",
    "Western Mari terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "jal",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form"
      },
      "expansion": "ял • (jal)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Russian 1-syllable words",
        "Russian entries with incorrect language header",
        "Russian non-lemma forms",
        "Russian terms with IPA pronunciation",
        "Russian verb forms"
      ],
      "form_of": [
        {
          "extra": "jatʹ",
          "word": "ять"
        }
      ],
      "glosses": [
        "masculine singular past indicative perfective of ять (jatʹ)"
      ],
      "links": [
        [
          "ять",
          "ять#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "masculine",
        "past",
        "perfective",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jaɫ]"
    }
  ],
  "word": "ял"
}