Etymograph

English

icosidodecahedron

From icosi- + dodeca- + -hedron.

A compound of icosi- + dodeca- + -hedron

Proto-Indo-European *dwi- ‘two’

Proto-Indo-European *déḱm̥ ‘ten’

Proto-Indo-European *(h₁)wídḱm̥ti ‘twenty’

Proto-Hellenic *ewī́kəti

Ancient Greek εἴκοσι ‘twenty’

English icosi-

Proto-Indo-European *dwoΗdeḱm̥

Ancient Greek δώδεκα ‘twelve’

English dodeca-

Today it means

noun An Archimedean solid with thirty-two regular faces (twelve pentagons and twenty triangles).

Language periods are conventional ranges, not dates for this word.

Etymograph / icosidodecahedron