
TALGARTH (Pow) Talgarth Meaning: WELSH tâl ‘end' of the garth ‘hill, promontory'.
TALLEY (Dyf) Talyllychau Meaning: WELSH talyllychau ‘end of the waters'.
TEIFI (Dyf) Tevie (13th century) Meaning: Probably ‘the dark one'. See the entry for Cardiff.
TENBY / DINBYCH-Y-PYSGOD (Dyf) Dinbych (c. 1275). Meaning: WELSH din ‘fort', bych ‘small`, y ‘the' and pysgod ‘fish'.
TINTERN / TYNDYRN (Gwe) Dindyrn (12th century). Meaning: WELSH din ‘fort' and teyrn ‘monarch'. The Abbey was founded in 1131.
TRALLONG (Pow) Trathlan Meaning: WELSH trallwm ‘marsh'.
TREFEGLWYS (Pow) Trefeglwys Meaning: from WELSH tref ‘farm, home' of the eglwys ‘church'.
TREFILAN (Dyf) Trefilan Meaning: WELSH tref ‘farm' and, possibly, y lan ‘the slope'.
TREFRIW (Gwn) Treffruu (1254). Meaning: WELSH tref ‘farm' and rhiw ‘hill'.
TREGARON (Dyf) Tregaron Meaning: WELSH tre ‘farm' of Caron.
TRELECH (Dyf) Trelech Meaning: WELSH tref ‘farm' and llech ‘stone'.
TRETOWER (Pow) Tretower Meaning: WELSH tre ‘farm, homestead' and, probably, OFRENCH tour ‘tower'. Some of the 13th century castle is still standing.
TREVINE (Dyf) Trefayn Meaning: WELSH tre ‘farm' and faen ‘stone'.
TYWYN (Gwy) Thewyn (1254). Meaning: WELSH tywyn ‘sand-dune, sandy shore'.
USK / BRYNBUGA (Gwe) Wysc (13th century) / Brynbuga (1450-1500). Earliest Record: Isca (and Burrium) (Roman period). Meaning: from a supposed BRITISH Eisca, related to Irish iasc ‘fish', the river name. In WELSH: "bryn ‘hill' of Buga". Burrium may be related to WELSH bwrr ‘stout'.
UZMASTON (Dyf) Osmundeston (1295). Earliest Record: Villa Osmundi (1230). Meaning: "Osmund's OE tun ‘farm' ".
VALLE CRUCIS ABBEY (Clw) Valle Crucis Meaning: LATIN "valley of the cross". The Abbey was founded in 1201.