See Teifi in All languages combined, or Wiktionary
{
"derived": [
{
"_dis1": "0 0",
"word": "Aberteifi"
}
],
"etymology_templates": [
{
"args": {
"1": "cy",
"2": "cel-bry",
"3": "-"
},
"expansion": "Brythonic",
"name": "der"
}
],
"etymology_text": "Of Brythonic origin, probably from the same root as Tafwys and possibly also Thames. Also compare the names Tamar, Tavy, Towy, Teviot, Tweed, Taw, Tiverton.",
"forms": [
{
"form": "no-table-tags",
"source": "mutation",
"tags": [
"table-tags"
]
},
{
"form": "cy-mut",
"source": "mutation",
"tags": [
"inflection-template"
]
},
{
"form": "Teifi",
"source": "mutation",
"tags": [
"error-unrecognized-form"
]
},
{
"form": "Deifi",
"source": "mutation",
"tags": [
"soft"
]
},
{
"form": "Nheifi",
"source": "mutation",
"tags": [
"error-unrecognized-form"
]
},
{
"form": "Theifi",
"source": "mutation",
"tags": [
"error-unrecognized-form"
]
}
],
"head_templates": [
{
"args": {
"1": "f"
},
"expansion": "Teifi f",
"name": "cy-proper noun"
}
],
"inflection_templates": [
{
"args": {},
"name": "cy-mut"
}
],
"lang": "Welsh",
"lang_code": "cy",
"pos": "name",
"senses": [
{
"categories": [
{
"kind": "place",
"langcode": "cy",
"name": "Places in Carmarthenshire, Wales",
"orig": "cy:Places in Carmarthenshire, Wales",
"parents": [
"Places"
],
"source": "w"
},
{
"kind": "place",
"langcode": "cy",
"name": "Places in Ceredigion, Wales",
"orig": "cy:Places in Ceredigion, Wales",
"parents": [
"Places"
],
"source": "w"
},
{
"kind": "place",
"langcode": "cy",
"name": "Places in Wales",
"orig": "cy:Places in Wales",
"parents": [
"Places"
],
"source": "w"
},
{
"kind": "place",
"langcode": "cy",
"name": "Rivers in Carmarthenshire, Wales",
"orig": "cy:Rivers in Carmarthenshire, Wales",
"parents": [
"Rivers",
"Places"
],
"source": "w"
},
{
"kind": "place",
"langcode": "cy",
"name": "Rivers in Ceredigion, Wales",
"orig": "cy:Rivers in Ceredigion, Wales",
"parents": [
"Rivers",
"Places"
],
"source": "w"
},
{
"kind": "place",
"langcode": "cy",
"name": "Rivers in Wales",
"orig": "cy:Rivers in Wales",
"parents": [
"Rivers",
"Places"
],
"source": "w"
},
{
"_dis": "62 38",
"kind": "other",
"name": "Welsh entries with incorrect language header",
"parents": [],
"source": "w+disamb"
}
],
"glosses": [
"A river that forms the boundary between Ceredigion and Carmarthenshire"
],
"id": "en-Teifi-cy-name-E2eFce2J",
"links": [
[
"river",
"river"
],
[
"Ceredigion",
"Ceredigion#English"
],
[
"Carmarthenshire",
"Carmarthenshire#English"
]
],
"tags": [
"feminine"
]
},
{
"categories": [
{
"kind": "other",
"name": "Welsh female given names",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Welsh given names",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Welsh male given names",
"parents": [],
"source": "w"
}
],
"glosses": [
"a male or female given name"
],
"id": "en-Teifi-cy-name-GZyZasSG",
"links": [
[
"given name",
"given name"
]
],
"tags": [
"feminine"
]
}
],
"sounds": [
{
"ipa": "/ˈtei̯vi/"
}
],
"word": "Teifi"
}
{
"categories": [
"Pages with 2 entries",
"Pages with entries",
"Welsh entries with incorrect language header",
"Welsh feminine nouns",
"Welsh lemmas",
"Welsh proper nouns",
"Welsh terms derived from Brythonic languages"
],
"derived": [
{
"word": "Aberteifi"
}
],
"etymology_templates": [
{
"args": {
"1": "cy",
"2": "cel-bry",
"3": "-"
},
"expansion": "Brythonic",
"name": "der"
}
],
"etymology_text": "Of Brythonic origin, probably from the same root as Tafwys and possibly also Thames. Also compare the names Tamar, Tavy, Towy, Teviot, Tweed, Taw, Tiverton.",
"forms": [
{
"form": "no-table-tags",
"source": "mutation",
"tags": [
"table-tags"
]
},
{
"form": "cy-mut",
"source": "mutation",
"tags": [
"inflection-template"
]
},
{
"form": "Teifi",
"source": "mutation",
"tags": [
"error-unrecognized-form"
]
},
{
"form": "Deifi",
"source": "mutation",
"tags": [
"soft"
]
},
{
"form": "Nheifi",
"source": "mutation",
"tags": [
"error-unrecognized-form"
]
},
{
"form": "Theifi",
"source": "mutation",
"tags": [
"error-unrecognized-form"
]
}
],
"head_templates": [
{
"args": {
"1": "f"
},
"expansion": "Teifi f",
"name": "cy-proper noun"
}
],
"inflection_templates": [
{
"args": {},
"name": "cy-mut"
}
],
"lang": "Welsh",
"lang_code": "cy",
"pos": "name",
"senses": [
{
"categories": [
"cy:Places in Carmarthenshire, Wales",
"cy:Places in Ceredigion, Wales",
"cy:Places in Wales",
"cy:Rivers in Carmarthenshire, Wales",
"cy:Rivers in Ceredigion, Wales",
"cy:Rivers in Wales"
],
"glosses": [
"A river that forms the boundary between Ceredigion and Carmarthenshire"
],
"links": [
[
"river",
"river"
],
[
"Ceredigion",
"Ceredigion#English"
],
[
"Carmarthenshire",
"Carmarthenshire#English"
]
],
"tags": [
"feminine"
]
},
{
"categories": [
"Welsh female given names",
"Welsh given names",
"Welsh male given names"
],
"glosses": [
"a male or female given name"
],
"links": [
[
"given name",
"given name"
]
],
"tags": [
"feminine"
]
}
],
"sounds": [
{
"ipa": "/ˈtei̯vi/"
}
],
"word": "Teifi"
}
Download raw JSONL data for Teifi meaning in Welsh (1.9kB)
{
"called_from": "inflection/865",
"msg": "inflection table: IF WITHOUT ELSE EVALS False: Teifi/Welsh 'radical' base_tags=set()",
"path": [
"Teifi"
],
"section": "Welsh",
"subsection": "proper noun",
"title": "Teifi",
"trace": ""
}
{
"called_from": "inflection/865",
"msg": "inflection table: IF WITHOUT ELSE EVALS False: Teifi/Welsh 'nasal' base_tags={'error-unrecognized-form', 'soft'}",
"path": [
"Teifi"
],
"section": "Welsh",
"subsection": "proper noun",
"title": "Teifi",
"trace": ""
}
{
"called_from": "inflection/865",
"msg": "inflection table: IF WITHOUT ELSE EVALS False: Teifi/Welsh 'aspirate' base_tags={'error-unrecognized-form', 'soft'}",
"path": [
"Teifi"
],
"section": "Welsh",
"subsection": "proper noun",
"title": "Teifi",
"trace": ""
}
This page is a part of the kaikki.org machine-readable Welsh dictionary. This dictionary is based on structured data extracted on 2026-03-25 from the enwiktionary dump dated 2026-03-03 using wiktextract (05c257f and 9d9a410). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.