pentadecagon
The origin and history of pentadecagon.
Etymology
The word joins the prefix pentadeca-, meaning fifteen, to the suffix -gon, meaning angle or corner, the same ending found in words like hexagon and octagon.
The origin and history of pentadecagon.
The word joins the prefix pentadeca-, meaning fifteen, to the suffix -gon, meaning angle or corner, the same ending found in words like hexagon and octagon.
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