Etymology of the English word icosahedron
the English word
icosahedronderived from the Late Latin word
icosahedronderived from the Greek word
eikosaedronderived from the Greek word
hedra, ἕδρα
derived from the Proto-Indo-European root
*sed-derived from the Greek word
eikosi, εἴκοσι
derived from the Proto-Indo-European root
*wīkm₀tī-Date
The earliest known usage of icosahedron in English dates from the 16th century.
Usage
Word found in Modern English
