"-oedd" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "cel-pro",
        "3": "",
        "4": "*-eyes"
      },
      "expansion": "Proto-Celtic *-eyes",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "",
        "4": "*-eyes"
      },
      "expansion": "Proto-Indo-European *-eyes",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-pro",
        "3": "",
        "4": "*-esa"
      },
      "expansion": "Proto-Celtic *-esa",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "",
        "4": "*-esh₂"
      },
      "expansion": "Proto-Indo-European *-esh₂",
      "name": "der"
    },
    {
      "args": {
        "1": "la",
        "2": "erat"
      },
      "expansion": "Latin erat",
      "name": "noncog"
    },
    {
      "args": {
        "1": "cel-pro",
        "2": "",
        "3": "*-iyes"
      },
      "expansion": "Proto-Celtic *-iyes",
      "name": "m+"
    },
    {
      "args": {
        "1": "cel-pro",
        "2": "",
        "3": "*-es-ī"
      },
      "expansion": "Proto-Celtic *-es-ī",
      "name": "m+"
    }
  ],
  "etymology_text": "According to Pedersen and Jackson, from both Proto-Celtic *-eyes (the nominative plural of masculine and feminine i-stems, from Proto-Indo-European *-eyes) and Proto-Celtic *-esa (the nominative/accusative plural of neuter s-stems, from Proto-Indo-European *-esh₂); for the development in the latter case compare oedd (“was”) from *esāt (Latin erat).\nAccording to Morris Jones, from both Proto-Celtic *-iyes (the same ending as Pedersen’s *-eyes) and *-iyoi (the nominative plural of masculine yo-stems) when the stress fell on the antepenult.\nAccording to Schrijver, from a Proto-Celtic *-es-ī that arose when certain neuter s-stems became masculine; Schrijver holds -ydd as the sole descendant of *-eyes.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix"
      },
      "expansion": "-oedd",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "llyfrgell (“library”) + -oedd → llyfrgelloedd (“libraries”)",
          "type": "example"
        },
        {
          "text": "cwm (“valley”) + -oedd → cymoedd (“valleys”)",
          "type": "example"
        },
        {
          "text": "cant (“hundred”) + -oedd → cannoedd (“hundreds”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Pluralisation suffix"
      ],
      "id": "en--oedd-cy-suffix-n2Uk8s04",
      "synonyms": [
        {
          "word": "-aid"
        },
        {
          "word": "-aint"
        },
        {
          "word": "-au"
        },
        {
          "word": "-ed"
        },
        {
          "word": "-edd"
        },
        {
          "word": "-en"
        },
        {
          "word": "-i"
        },
        {
          "word": "-iadau"
        },
        {
          "word": "-iaid"
        },
        {
          "word": "-iau"
        },
        {
          "word": "-ion"
        },
        {
          "word": "-od"
        },
        {
          "word": "-on"
        },
        {
          "word": "-ydd"
        },
        {
          "word": "-yr"
        },
        {
          "word": "-ys"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "wikipedia": [
        "Kenneth H. Jackson"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔɨ̯ð/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ɔi̯ð/",
      "tags": [
        "South-Wales",
        "colloquial",
        "standard"
      ]
    },
    {
      "ipa": "/ɔð/",
      "tags": [
        "South-Wales",
        "colloquial"
      ]
    }
  ],
  "word": "-oedd"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "cel-pro",
        "3": "",
        "4": "*-eyes"
      },
      "expansion": "Proto-Celtic *-eyes",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "",
        "4": "*-eyes"
      },
      "expansion": "Proto-Indo-European *-eyes",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-pro",
        "3": "",
        "4": "*-esa"
      },
      "expansion": "Proto-Celtic *-esa",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "",
        "4": "*-esh₂"
      },
      "expansion": "Proto-Indo-European *-esh₂",
      "name": "der"
    },
    {
      "args": {
        "1": "la",
        "2": "erat"
      },
      "expansion": "Latin erat",
      "name": "noncog"
    },
    {
      "args": {
        "1": "cel-pro",
        "2": "",
        "3": "*-iyes"
      },
      "expansion": "Proto-Celtic *-iyes",
      "name": "m+"
    },
    {
      "args": {
        "1": "cel-pro",
        "2": "",
        "3": "*-es-ī"
      },
      "expansion": "Proto-Celtic *-es-ī",
      "name": "m+"
    }
  ],
  "etymology_text": "According to Pedersen and Jackson, from both Proto-Celtic *-eyes (the nominative plural of masculine and feminine i-stems, from Proto-Indo-European *-eyes) and Proto-Celtic *-esa (the nominative/accusative plural of neuter s-stems, from Proto-Indo-European *-esh₂); for the development in the latter case compare oedd (“was”) from *esāt (Latin erat).\nAccording to Morris Jones, from both Proto-Celtic *-iyes (the same ending as Pedersen’s *-eyes) and *-iyoi (the nominative plural of masculine yo-stems) when the stress fell on the antepenult.\nAccording to Schrijver, from a Proto-Celtic *-es-ī that arose when certain neuter s-stems became masculine; Schrijver holds -ydd as the sole descendant of *-eyes.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix"
      },
      "expansion": "-oedd",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages using catfix",
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh suffixes",
        "Welsh terms derived from Proto-Celtic",
        "Welsh terms derived from Proto-Indo-European",
        "Welsh terms inherited from Proto-Celtic"
      ],
      "examples": [
        {
          "text": "llyfrgell (“library”) + -oedd → llyfrgelloedd (“libraries”)",
          "type": "example"
        },
        {
          "text": "cwm (“valley”) + -oedd → cymoedd (“valleys”)",
          "type": "example"
        },
        {
          "text": "cant (“hundred”) + -oedd → cannoedd (“hundreds”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Pluralisation suffix"
      ],
      "synonyms": [
        {
          "word": "-aid"
        },
        {
          "word": "-aint"
        },
        {
          "word": "-au"
        },
        {
          "word": "-ed"
        },
        {
          "word": "-edd"
        },
        {
          "word": "-en"
        },
        {
          "word": "-i"
        },
        {
          "word": "-iadau"
        },
        {
          "word": "-iaid"
        },
        {
          "word": "-iau"
        },
        {
          "word": "-ion"
        },
        {
          "word": "-od"
        },
        {
          "word": "-on"
        },
        {
          "word": "-ydd"
        },
        {
          "word": "-yr"
        },
        {
          "word": "-ys"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "wikipedia": [
        "Kenneth H. Jackson"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔɨ̯ð/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ɔi̯ð/",
      "tags": [
        "South-Wales",
        "colloquial",
        "standard"
      ]
    },
    {
      "ipa": "/ɔð/",
      "tags": [
        "South-Wales",
        "colloquial"
      ]
    }
  ],
  "word": "-oedd"
}