"-er" meaning in Welsh

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix"
      },
      "expansion": "-er",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "74 11 15",
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "verb suffix for the impersonal present subjunctive"
      ],
      "id": "en--er-cy-suffix-ZPe5vYBY",
      "links": [
        [
          "impersonal",
          "impersonal#English"
        ],
        [
          "present",
          "present#English"
        ],
        [
          "subjunctive",
          "subjunctive#English"
        ]
      ],
      "raw_glosses": [
        "(literary) verb suffix for the impersonal present subjunctive"
      ],
      "tags": [
        "literary",
        "morpheme"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "verb suffix for the impersonal imperative"
      ],
      "id": "en--er-cy-suffix-~oYWq6dH",
      "links": [
        [
          "impersonal",
          "impersonal#English"
        ],
        [
          "imperative",
          "imperative#English"
        ]
      ],
      "raw_glosses": [
        "(literary) verb suffix for the impersonal imperative"
      ],
      "tags": [
        "literary",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛr/"
    }
  ],
  "word": "-er"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "-er"
      },
      "expansion": "English -er",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from English -er.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix",
        "g": "m"
      },
      "expansion": "-er m",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "examples": [
        {
          "text": "brig (“branches, sprigs, shoots”) + -er → briger (“stamens”)",
          "type": "example"
        },
        {
          "text": "tafl (“sling, catapult”) + -er → tafler (“sling, catapult”)",
          "type": "example"
        },
        {
          "text": "col (“awn”) + -er → colier (“awner, chobber”)",
          "type": "example"
        }
      ],
      "glosses": [
        "suffix forming nouns"
      ],
      "id": "en--er-cy-suffix-ybgrirhw",
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛr/"
    }
  ],
  "word": "-er"
}

{
  "categories": [
    "Pages with 33 entries",
    "Pages with entries",
    "Pages with raw sortkeys",
    "Welsh entries with incorrect language header",
    "Welsh lemmas",
    "Welsh masculine suffixes",
    "Welsh suffixes",
    "Welsh terms borrowed from English",
    "Welsh terms derived from English"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix"
      },
      "expansion": "-er",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Welsh literary terms"
      ],
      "glosses": [
        "verb suffix for the impersonal present subjunctive"
      ],
      "links": [
        [
          "impersonal",
          "impersonal#English"
        ],
        [
          "present",
          "present#English"
        ],
        [
          "subjunctive",
          "subjunctive#English"
        ]
      ],
      "raw_glosses": [
        "(literary) verb suffix for the impersonal present subjunctive"
      ],
      "tags": [
        "literary",
        "morpheme"
      ]
    },
    {
      "categories": [
        "Welsh literary terms"
      ],
      "glosses": [
        "verb suffix for the impersonal imperative"
      ],
      "links": [
        [
          "impersonal",
          "impersonal#English"
        ],
        [
          "imperative",
          "imperative#English"
        ]
      ],
      "raw_glosses": [
        "(literary) verb suffix for the impersonal imperative"
      ],
      "tags": [
        "literary",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛr/"
    }
  ],
  "word": "-er"
}

{
  "categories": [
    "Pages with 33 entries",
    "Pages with entries",
    "Pages with raw sortkeys",
    "Welsh entries with incorrect language header",
    "Welsh lemmas",
    "Welsh masculine suffixes",
    "Welsh suffixes",
    "Welsh terms borrowed from English",
    "Welsh terms derived from English"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "-er"
      },
      "expansion": "English -er",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from English -er.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "suffix",
        "g": "m"
      },
      "expansion": "-er m",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "suffix",
  "senses": [
    {
      "examples": [
        {
          "text": "brig (“branches, sprigs, shoots”) + -er → briger (“stamens”)",
          "type": "example"
        },
        {
          "text": "tafl (“sling, catapult”) + -er → tafler (“sling, catapult”)",
          "type": "example"
        },
        {
          "text": "col (“awn”) + -er → colier (“awner, chobber”)",
          "type": "example"
        }
      ],
      "glosses": [
        "suffix forming nouns"
      ],
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛr/"
    }
  ],
  "word": "-er"
}