Jump to the following:

Ordnance Survey logo

Discover Ordnance Survey

Skip primary navigation
Site Search
Skip secondary navigation

Glossary of Welsh origins of place names in Britain: T to Y

Introduction | A and B |  C  |  D to F  |  G to I |  L to O | P to S | T to Y

Element Meaning Examples
tafarn nm/f tafarnau pl tavern Pentre Tafarn-y-fedw SH8162 Tafarnygelyn SJ1861
tafol np dock plants Tafolgraig SN6597 Tafolwern SH8902
tafolog nf place where dock grows Blaen-Tafolog SH8909 Tafolog SH8909
tail nm dung , manure Bryn Tail ST0989 Bryntail SN9187
tâl nm end , top Tal-y-bont SN6589 Talacre SJ1284
talar nf headland (of field) Troedrhiwdalar SN9553 Dalarwen SN7850
talch nm fragment , pounded grain Cefnbryntalch SO1796 Bryntalch SO1795
talwrn nm talyrni , tylyrni pl bare exposed hill-side , open space , threshing floor , cockpit Talwrn SH4977 Talwrn SJ2947
tan, dan pr under , beneath Tan-y-fron SH9564 Tan-y-bwlch SH6540
tarren nf tarreni pl rocky tump Nant Tarren-fedw-ddu SN7893 Tarren Bwlch-gwyn SN8193
tarw nm teirw pl bull Crugtarw SN3734 Mynydd Tarw SJ1132
tas nf stack , rick Pen Tas-eithin SN5743 Y Das SO1932
teg adj fair Maes-teg SS8591 Llan-teg SN1810
telyn nf harp Rhyd-y-delyn Fawr SH5275 Caedelyn SN5806
tew adj thick , fat Cors Tewgyll SN1331 Llwyntew SN9428
th- A word starting th may be a mutated form of a word starting t  
tir nm land , territory Tirabad SO8741 Brithdir SH7719
tlawd adj tlodion pl pauper , poor Tyddyn-tlodion SJ1753 Cae Tlodion SH5925
tom , tomen nf pile , muck-heap , mound , hillock Domgae SJ2719 Tomen y Meirw SJ1638
ton , tonnen nf/m tonnau pl grassland (left unplowed) , lea Ton-teg ST0986 Tonypandy SS9992
top nm top Top-rhiw-fawr SJ1117 Top-y-fron SJ2769
tor nm break , gap Tor Glas SO0319 Torbant SM8430
torglwyd nf door-hurdle , gate Maestorglwyd SO2137 Dorglwyd SN6500
traeth nm beach , strand , shore Malltraeth SH4068 Trefdraeth SN0539
trallwng , trallwm nm wet low-lying land Y Trallwng SJ2207 Trallwng SN9629
traws adj & nm cross, transverse Trawsgoed SN6773 Trawsfynydd SH7035
tref nf settlement , hamlet , town Tre-garth SH6067 Trefalun SJ3856
tri num tair f three Tri Chrugiau SN9343 Llantrisant ST0483
trindod nf trinity Llandrindod SO0561 Ffynnon-y-drindod SS9373
troed nm/f base , bottom , (foot) Allt Troed-y-rhiw SN5235 Troed-rhiw-cymmer SN7648
tros pr over Trosnant SO0425 Tros-y-waen SH5666
trum nm trumiau pl ridge Trum Gelli SH6501 Cefngeudrum SN7727
trwyn nm point , cape , (nose) Trwyn Bendro SM6923 Trwynhwrddyn SM7327
twlch nm tylchau pl tump , knoll Cefn-twlch SJ1000 Dôl y Twlch SN8074
twll nm tyllau pl hole , pit Twll-y-clawdd SH5073 Ty'n-Twll SJ1055
twmpath nm tump , hillock Waun Twmpath SN4602 Twmpath SO0743
tŵr nm tower Tre-tŵr SO1821 Twr SH2282
twrch nm tyrchod pl boar Twrch Fechan SN7819 Blaen-Twrch SN6849
twyn nm twyni pl hillock , knoll Twynrodyn SO0505 Pen-twyn ST5209
tŷ nm tai pl house Tŷ-croes SH3472 Pentre Tŷ-gwyn SN8135
tyddyn , ty'n , tyn nm small farm , holding Tyn-y-groes SH7771 Ty'n-y-ffridd SJ1130
tyle nm/f hill , ascent Maestyle SN5939 Mynydd Tyle-coch SS9396
tylluan nf owl Rhosdylluan SH8529 Cwmdylluan SN9588
tyno nm plain , meadow Tynohir SN7098 Gwern Tyno SH8477
tywarchen nf tyweirch, tywyrch pl sod , turf Llyn-y-dywarchen SH5653 Penrhiwtywarch SN7144
tywyll adj dark , gloomy Tywyllnodwydd SH7102 Cildywyll SN2212
tywyn nm sandy-shore , sand-dune Tywyn SH7878 Llanfihangel-yn-nhywyn SH3176
uchaf adj upper , highest Felin-gwm-uchaf SN5023 Cwm Twrch Uchaf SN7511
uchel adj high Bonuchel SJ0857 Gelli-benuchel SN8005
uwch pr above , over Llanuwchllyn SH8730 Uwchmynydd SH1525
uwchlaw pr above Uwchlaw'r-coed SH6025 Uwchlaw'r-rhos SH4754
wtra nf lane Tynwtra SH8505 Tynyrwtra SJ0517
y , yr, 'r (definite article) the Y Ferwig SN1849 Bryn-y-maen SH8376
ychen nm ŷch pl ox Porthyrychen SH4693 Rhydyrychen SH8648
ymenyn (see menyn)    
ymryson nm contention , disputed ground Rhos Ymryson SN4650 Esgair Ymryson SN8876
yn , 'n pr in Llansanffraid-yn-Elfael SO0954 Ty'n-y-cefn SJ0443
ynys nf ynysoedd pl island; holm , river-meadow Coed-yr-ynys SO1520 Ynys-las SN6092
ysbyty nm hospital , hospice Ysbyty Ystwyth SN7371 Ysbyty Ifan SH8448
ysgafell nf ledge , brow Ysgafell Wen SH6649 Tanysgafell SH6166
ysgallog nf full of thistles; place where thistles abound Pantysgallog SN9028 Dolysgallog SH8510
ysgawen , ysgaw nf elder-tree Comin Cwmysgawen SO0371 Tre-Ysgawen SH4581
ysgeifiog nf place of elder-trees Ysgeifiog SJ1571 Llanfihangel Ysgeifiog SH4773
ysgol nf ysgolion pl ladder , formation on mountain-side Ysgolion Duon SH6663 Craig-yr-ysgol SN9502
ysgol nf ysgolion pl school Ysgoldy SH4382 Tai'r-ysgol SS6997
ysgubor nf ysguboriau pl barn Tyddyn-ysgubor SJ0040 Ysgubor Bach SH1628
ysguthan nf wood-pigeon Bryn Ysguthan SH9311 Nant Ysguthan SH9411
ysgwydd nf shoulder (of mountain) Ysgwydd Hwch SO0537 Ysgwydd-gwyn-isaf SO1200
ystafell nf chamber , hiding-place Ystafelloedd SM7923 Cwm Nant Ystafell SN7108
ystlys nf side , flank Ystlys-y-coed-uchaf SN5707 Ystlys-y-coed-isaf SN5606
ystrad nm valley , holm , river-meadow Ystrad Rhondda SS9895 Ystradgynlais SN7810
ystum nf/m bend Llanystumdwy SH4738 Ystumtuen SN7378
ywen nf yw pl yew-tree Careg-ywen SO0052 Llwynywen SN5363

Introduction | A and B |  C  |  D to F  |  G to I |  L to O | P to S | T to Y

Skip supplementary navigation

For general enquiries, complaints, feedback or suggestions, email: customerservices@ordnancesurvey.co.uk or call us on 08456 05 05 05