"placedst" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "placedst",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1917, Olympia Brown, Democratic Ideals: A Memorial Sketch of Clara B. Colby, page 22",
          "text": "Thou placedst me to guard and keep for thee.",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "place"
        }
      ],
      "glosses": [
        "second-person singular simple past indicative of place"
      ],
      "id": "en-placedst-en-verb-v8sYaDDO",
      "links": [
        [
          "place",
          "place#English"
        ]
      ],
      "raw_glosses": [
        "(archaic) second-person singular simple past indicative of place"
      ],
      "tags": [
        "archaic",
        "form-of",
        "indicative",
        "past",
        "second-person",
        "singular"
      ]
    }
  ],
  "word": "placedst"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "placedst",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English auxiliary verb forms",
        "English entries with incorrect language header",
        "English irregular simple past forms",
        "English non-lemma forms",
        "English second-person singular past tense forms",
        "English terms with quotations",
        "English verb forms"
      ],
      "examples": [
        {
          "ref": "1917, Olympia Brown, Democratic Ideals: A Memorial Sketch of Clara B. Colby, page 22",
          "text": "Thou placedst me to guard and keep for thee.",
          "type": "quotation"
        }
      ],
      "form_of": [
        {
          "word": "place"
        }
      ],
      "glosses": [
        "second-person singular simple past indicative of place"
      ],
      "links": [
        [
          "place",
          "place#English"
        ]
      ],
      "raw_glosses": [
        "(archaic) second-person singular simple past indicative of place"
      ],
      "tags": [
        "archaic",
        "form-of",
        "indicative",
        "past",
        "second-person",
        "singular"
      ]
    }
  ],
  "word": "placedst"
}