How to count in ancient Celtic languages.
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Proto-Celtic, or Common Celtic, is the reconstructed ancestor of all known Celtic languages. The Late Bronze Age Urnfiend culture of Central Europe of the last quarter of the second millennium BC is the earliest example of what is considered Proto-Celtic culture.
Common Brittonic is the reconstructed ancestor of the Brythonic or British branch of the Insular Celtic languages (Welsh, Cornish, Breton, Cumbric and possibly Pictish).
Old Welsh (Hen Gymraeg) is the name given to the Welsh spoken between about 800 AD and the early 12th century.
Middle Welsh (Kymraec / Cymraeg Canol) is the form of Welsh spoken from the 12th to the 14th century.
|Common Brittonic||Old Welsh||Middle Welsh
|2||dau||dou||deu (m) dwy (f)|
|3||tris||tri||tri (m) teir (f)|
|4||petwar||petguar||pedwar (m) pedeir (f)|
|11||-||-||un ar ddeg|
|13||-||-||tri/teir ar ddeg|
|14||-||-||pedwar/pedeir ar ddeg|
|16||-||-||un ar bymtheg|
|17||-||-||deu/dwy ar bymtheg|
|19||-||-||pedwar/pedair ar bymtheg|
|21||-||-||un ar ugein|
|30||-||-||deg ar ugein|
|40||-||-||deu ugain / dugein|
|50||-||-||deg ar ddeu ugain/ddugein|
|60||-||-||trei ugein, trugein|
Primitive Irish, or Archaic Irish (Gaeilge Ársa), is a form of Irish known from inscriptions in Ogham found in Ireland and western parts of Britain. It was spoken between about the 4th and the 7th or 8th centuries AD.
Old Irish is the form of Irish which first appeared in writing in about 700 AD and was used until about 900 AD. It is the ancestor of Modern Irish, Manx and Scottish Gaelic.
Classical Gaelic was the literary form of Gaelic used in Ireland and Scotland between the 13th and the 18th centuries.
|Primitive Irish||Old Irish||Classical Gaelic|
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