Etymology of decad

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

{
  "templates": [
    {
      "name": "dbt",
      "args": {
        "1": "en",
        "2": "decade",
        "3": "dekad"
      },
      "expansion": "Doublet of decade and dekad"
    },
    {
      "name": "surf",
      "args": {
        "1": "en",
        "2": "dec-",
        "3": "-ad"
      },
      "expansion": "By surface analysis, dec- + -ad"
    }
  ],
  "links": [
    [
      "decade",
      "decade#English"
    ],
    [
      "dekad",
      "dekad#English"
    ],
    [
      "dec-",
      "dec-#English"
    ],
    [
      "-ad",
      "-ad#English"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "Archaic form of decade (“period of ten years”).",
        "Archaic form of decade (“group of ten”).",
        "A group of ten notes from which the consonant triads may be constructed"
      ],
      "tags": [
        "alt-of",
        "archaic"
      ],
      "recordId": "d2fd99a54cad82c002aa6e47221bea08f22277ab39781252fe2ee89738f27e67",
      "rawRecordSha256": "966a98f6262eee32297be698be93ebab858f6dd9353d9cc41ac3237f8a0b6ee1",
      "sourceRecordOrdinal": 3698271
    }
  ],
  "omittedAuxiliaryFields": {
    "templates": 0,
    "links": 0,
    "references": 0,
    "descendants": 0,
    "lexicalRecords": 0,
    "lexicalSenses": 0,
    "glosses": 0
  }
}