tetracontagon

Etymology
+ +, from.

Noun

 * 1)  A 40-sided polygon.

Translations

 * Chinese:
 * Mandarin: 四十邊形
 * Finnish: 40-kulmio
 * German:
 * Hungarian: negyvenszög
 * Japanese: 四十角形
 * Korean: 사십각형
 * Polish: 40-okąt
 * Russian:
 * Spanish: tetracontágono, tessaracontágono
 * Ukrainian: сорокакутник