"по-испански" meaning in Russian

{
  "etymology_text": "Adverbial form of испа́нский (ispánskij, “Spanish”).",
  "forms": [
    {
      "form": "по-испа́нски",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "po-ispánski",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "по-испа́нски"
      },
      "expansion": "по-испа́нски • (po-ispánski)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Я говорю́ по-испа́нски ― Ja govorjú po-ispánski ― I speak Spanish.",
          "type": "example"
        },
        {
          "english": "This is written in Spanish.",
          "roman": "Éto napísano po-ispánski",
          "text": "Э́то напи́сано по-испа́нски",
          "type": "example"
        }
      ],
      "glosses": [
        "in Spanish"
      ],
      "id": "en-по-испански-ru-adv-84EDA4U4"
    }
  ],
  "sounds": [
    {
      "ipa": "[pə‿ɪˈspanskʲɪ]"
    }
  ],
  "word": "по-испански"
}

{
  "etymology_text": "Adverbial form of испа́нский (ispánskij, “Spanish”).",
  "forms": [
    {
      "form": "по-испа́нски",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "po-ispánski",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "по-испа́нски"
      },
      "expansion": "по-испа́нски • (po-ispánski)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian multiword terms",
        "Russian terms with IPA pronunciation",
        "Russian terms with usage examples"
      ],
      "examples": [
        {
          "text": "Я говорю́ по-испа́нски ― Ja govorjú po-ispánski ― I speak Spanish.",
          "type": "example"
        },
        {
          "english": "This is written in Spanish.",
          "roman": "Éto napísano po-ispánski",
          "text": "Э́то напи́сано по-испа́нски",
          "type": "example"
        }
      ],
      "glosses": [
        "in Spanish"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pə‿ɪˈspanskʲɪ]"
    }
  ],
  "word": "по-испански"
}