Definition:Number Names/Welsh
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Definition
These are the names of the numbers in Welsh:
\((1)\) | $:$ | un | |||||||
\((2)\) | $:$ | dau, dwy | |||||||
\((3)\) | $:$ | toi, tair | |||||||
\((4)\) | $:$ | pedwar, pedair | |||||||
\((5)\) | $:$ | pump (or pum) | |||||||
\((6)\) | $:$ | chwech (or chwe) | |||||||
\((7)\) | $:$ | saith | |||||||
\((8)\) | $:$ | wyth | |||||||
\((9)\) | $:$ | naw | |||||||
\((10)\) | $:$ | deg | |||||||
\((11)\) | $:$ | un ar ddeg | |||||||
\((12)\) | $:$ | deuddeg | |||||||
\((13)\) | $:$ | toi ar ddeg, tair ar ddeg | |||||||
\((14)\) | $:$ | pedwar ar ddeg, pedair ar ddeg | |||||||
\((15)\) | $:$ | pymtheg | |||||||
\((16)\) | $:$ | un ar bymtheg | |||||||
\((17)\) | $:$ | dau ar bymtheg, dwy ar bymtheg | |||||||
\((18)\) | $:$ | deunaw | |||||||
\((19)\) | $:$ | pedwar ar bymtheg, pedair ar bymtheg | |||||||
\((20)\) | $:$ | ugain | |||||||
\((30)\) | $:$ | deg ar hugain | |||||||
\((40)\) | $:$ | dugain | |||||||
\((50)\) | $:$ | deg ar deugain or hanner cant | |||||||
\((60)\) | $:$ | trigain | |||||||
\((70)\) | $:$ | trigain a deg or deg ar thrigain | |||||||
\((80)\) | $:$ | pedwar ugain | |||||||
\((90)\) | $:$ | pedwar ugain a deg or deg a phedwar ugain | |||||||
\((100)\) | $:$ | cant |
The different forms for $2$, $3$, $4$ and their derivatives are for masculine and feminine.
The different forms for $5$ and $6$ are elisions for use in front of certain letters.
The different forms for $50$, $70$ and $90$ are separate ways of saying the numbers.
Note:
- there are no distinct words for $11$ and $12$, indicating that there has been less influence of duodecimal systems on Welsh
- the interesting forms for $18$ (expressed as $2 \times 9$) and $50$ (expressed both as $10 + 40$ and $\dfrac 1 2 \times 100$).
Sources
- 1996: John H. Conway and Richard K. Guy: The Book of Numbers ... (previous) ... (next): Chapter $1$: The Romance of Numbers: Hickory, Dickory, Dock -- Eeny, Meeny, Miny, Mo