"ïon" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "ion"
      },
      "expansion": "English ion",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "ἰόν",
        "4": "",
        "5": "going"
      },
      "expansion": "Ancient Greek ἰόν (ión, “going”)",
      "name": "der"
    }
  ],
  "etymology_text": "From English ion, from Ancient Greek ἰόν (ión, “going”).",
  "forms": [
    {
      "form": "ïonau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "ïon",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "hïon",
      "source": "mutation",
      "tags": [
        "mutation",
        "prothesis-h"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "ïonau"
      },
      "expansion": "ïon m (plural ïonau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Ions",
          "orig": "cy:Ions",
          "parents": [
            "Chemistry",
            "Electricity",
            "Matter",
            "Sciences",
            "Electromagnetism",
            "Nature",
            "All topics",
            "Physics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Physical chemistry",
          "orig": "cy:Physical chemistry",
          "parents": [
            "Chemistry",
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ion"
      ],
      "id": "en-ïon-cy-noun-1oBhWPdT",
      "links": [
        [
          "ion",
          "ion"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "cy:ïon"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈiː.ɔn/"
    },
    {
      "rhymes": "-iːɔn"
    }
  ],
  "word": "ïon"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "ion"
      },
      "expansion": "English ion",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "ἰόν",
        "4": "",
        "5": "going"
      },
      "expansion": "Ancient Greek ἰόν (ión, “going”)",
      "name": "der"
    }
  ],
  "etymology_text": "From English ion, from Ancient Greek ἰόν (ión, “going”).",
  "forms": [
    {
      "form": "ïonau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "ïon",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "hïon",
      "source": "mutation",
      "tags": [
        "mutation",
        "prothesis-h"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "ïonau"
      },
      "expansion": "ïon m (plural ïonau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Rhymes:Welsh/iːɔn",
        "Rhymes:Welsh/iːɔn/2 syllables",
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines",
        "Welsh terms borrowed from English",
        "Welsh terms derived from Ancient Greek",
        "Welsh terms derived from English",
        "Welsh terms spelled with Ï",
        "Welsh terms spelled with ◌̈",
        "Welsh terms with IPA pronunciation",
        "cy:Ions",
        "cy:Physical chemistry"
      ],
      "glosses": [
        "ion"
      ],
      "links": [
        [
          "ion",
          "ion"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "cy:ïon"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈiː.ɔn/"
    },
    {
      "rhymes": "-iːɔn"
    }
  ],
  "word": "ïon"
}