Geiriadur Prifysgol Cymru (GPC): the only historical dictionary of Welsh. Moving to @gpcwelshdictionary.bsky.social Trydar Cymraeg: @geiriadur & Bluesky

Joined May 2017
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Word of the Day: BANGOR geiriadur.ac.uk/gpc/gpc.html… 'Bangor' is the name of the oldest city in Wales, however, do you know its meaning? 'Bangor' is a wattle fence or wall, or the plaited rods or crossbar in a wattle hedge or fence. It can also mean a place of defence or a monastery.
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Word of the Day: crychydd glas geiriadur.ac.uk/gpc/gpc.html…. There are two main words for a heron in Welsh – crychydd in the south and crëyr in the north and both can be followed by the adjective ‘glas’ (blue).
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Word of the day: berfa ((wheel)barrow) geiriadur.ac.uk/gpc/gpc.html… My name for it is ‘whilber’, borrowed from the English ‘wheelbarrow’, as ‘berfa/berwa’ is borrowed from the Middle English ‘barwe’. Take a look at the many descriptive combination forms in the Dictionary article.
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Word of the Day: lelog (lilac) geiriadur.ac.uk/gpc/gpc.html… - also the forms 'leloc', 'leiloc' and 'leilac', borrowed from the English colloquial forms 'laylock' and 'laylac'. 'Lelog' is the name of the tree from which the fragrant light purple blossoms hang, and the colour of lilac.
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Word of the Day: gwyddgrug geiriadur.ac.uk/gpc/gpc.html…. It appears in placenames such as Yr Wyddgrug (Mold) where shots were fired during a riot on this date in 1869 which were caused by disputes over working conditions at Leeswood colliery nearby.
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Word of the day: croesi (to cross) welsh-dictionary.ac.uk/gpc/g… The cattle in the photo are crossing a bridge over a busy road on their way to be milked.
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Word of the Day: EISTEDDFOD geiriadur.ac.uk/gpc/gpc.html… The modern sense of the word, meaning an event or festival at which competitions are held in music, elocution, literature, arts and crafts. Today is the last day of @EisteddfodUrdd. A big congratulations to all who took part!🌟
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Word of the Day: cyhûdd geiriadur.ac.uk/gpc/gpc.html…– which means ‘shade, shelter, esp. from the sun’s heat’. The advice in this weather is to spend plenty of time ‘yn y cyhûdd’, as opposed to being in full sunshine.
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Word of the Day: llyfrbryf geiriadur.ac.uk/gpc/gpc.html… A bookworm, an insect which burrows through books and a person who enjoys reading. 'Llyfrbryf' was the pseudonym of Isaac Foulkes, the editor of the newspaper 'Y Cymro', which was first published and printed on this day in 1890.
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Word of the Day: heddwch geiriadur.ac.uk/gpc/gpc.html… which means ‘peace’. ‘Mae heddwch yn siarad pob iaith’ (Peace speaks every language) – that’s what the 2026 Peace and Goodwill Message from the youth of Wales, issued today, says. Here's a link to it golwg.360.cymru/newyddion/21…
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Word of the day: diog (lazy) geiriadur.ac.uk/gpc/gpc.html… The Welsh definition reads 'gwrthwynebol i waith' (opposed to work). Some might feel like that on a Monday morning after a good weekend! See also some lesser known words for lazy, such as anesgud, diawgrym, and llegennaidd.
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Word of the day: BANADL: geiriadur.ac.uk/gpc/gpc.html… ‘broom’.   ‘Her hair was yellower than the flowers of the broom’ is how the author of Culhwch and Olwen described Olwen’s beauty.   Its yellow flowers were used to make a yellow dye; hence it is also called ‘dyer’s weed’ in English
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Word of the Day: gwniadur Mair geiriadur.ac.uk/gpc/gpc.html… meaning Mary’s thimble. There are many Welsh names for foxgloves (find them by searching the English ‘foxglove(s)’) and many of them contain the words ‘bysedd’ (fingers) or ‘menig’ (gloves).
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Word of the day: buwch goch gota (ladybird) geiriadur.ac.uk/gpc/gpc.html… There are many names listed in the Dictionary for the ladybird - see how many you can find.
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Word of the Day: ETIFEDDIAETH geiriadur.ac.uk/gpc/gpc.html… A word with two meanings; one being inheritance, heritage and patrimony, and the other meaning offspring and descendants. 'Etifeddiaeth' is also the title of one of Gerallt Lloyd Owen's most influential poems.
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Word of the day: olwyn (wheel) geiriadur.ac.uk/gpc/gpc.html… This wheel drives the mechanism that was formerly used to raise Tower Bridge in London.
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Word of the Day: tesni geiriadur.ac.uk/gpc/gpc.html… Tesni is a popular girl's name in Wales, but did you know there are two separate entries for 'tesni' in the Geiriadur? One of the entries mean destiny, fortune, or a (magic) charm, and is a borrowing from the English, 'destiny'.
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Word of the day: COLYN ‘(door) hinge’ geiriadur.ac.uk/gpc/gpc.html…   Mal y try'r ddôr ar ei cholyn y try'r diog yn ei wely.   An old proverb. A person who turns over and refuses to get out of bed in the morning is like a door which turns on its hinge (ar ei cholyn) but stays put!
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(with translation)
I gofrestru ar gyfer y seminar, cliciwch ar y ddolen: forms.office.com/Pages/Respo…
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Word of the day: brut (chronicle) geiriadur.ac.uk/gpc/gpc.html… According to Brut y Tywysogion (Chronicle of the Princes), Rhys ap Gruffudd (Yr Arglwydd Rhys) died on this day in 1197. Read about him in the Dictionary of Welsh Biography bywgraffiadur.cymru/article/…?
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