pentachoron

Etymology
, from and.

Noun

 * 1)  A four-dimensional object analogous to a tetrahedron, constructed out of five tetrahedra.

Translations

 * Esperanto: kvinĉelo
 * French:, pentatope
 * German: Pentachoron
 * Italian: ipertetraedro, pentacoro
 * Japanese: 正五胞体
 * Portuguese: pentácoro
 * Spanish:, ,