"en un principio" meaning in Spanish

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "adverb"
      },
      "expansion": "en un principio",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Receiving her within those walls would have been a serious insult to the memory of the deceased, a kind of posthumous provocation, and that man of positive ideas was back then in the beginning of a moral derangement, and bursts of superstitious and childish fear.",
          "ref": "1891, Benito Pérez Galdós, Ángel Guerra:",
          "text": "Recibirla entre aquellas paredes habría sido una grave injuria a la memoria de la finada, una especie de provocación póstuma, y aquel hombre de ideas positivas se encontraba a la sazón en un principio de desquiciamiento moral, y le pasaban por la mente ráfagas de supersticioso y pueril miedo.",
          "type": "quote"
        }
      ],
      "glosses": [
        "at the start; at the very beginning"
      ],
      "id": "en-en_un_principio-es-adv-yppsftVR",
      "links": [
        [
          "start",
          "start"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) at the start; at the very beginning"
      ],
      "synonyms": [
        {
          "word": "de buen comienzo"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "en un principio"
}

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "adverb"
      },
      "expansion": "en un principio",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish adverbs",
        "Spanish entries with incorrect language header",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "Receiving her within those walls would have been a serious insult to the memory of the deceased, a kind of posthumous provocation, and that man of positive ideas was back then in the beginning of a moral derangement, and bursts of superstitious and childish fear.",
          "ref": "1891, Benito Pérez Galdós, Ángel Guerra:",
          "text": "Recibirla entre aquellas paredes habría sido una grave injuria a la memoria de la finada, una especie de provocación póstuma, y aquel hombre de ideas positivas se encontraba a la sazón en un principio de desquiciamiento moral, y le pasaban por la mente ráfagas de supersticioso y pueril miedo.",
          "type": "quote"
        }
      ],
      "glosses": [
        "at the start; at the very beginning"
      ],
      "links": [
        [
          "start",
          "start"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) at the start; at the very beginning"
      ],
      "synonyms": [
        {
          "word": "de buen comienzo"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "en un principio"
}