The story
From truncated + icosidodecahedron, referring to a partial construction method for the figure. (The resultant figure requires further distortion to make the faces regular.)
Etymology from Wiktionary, CC BY-SA 4.0.
truncated icosidodecahedron
Today it means: An Archimedean solid with 62 regular faces (12 decagons, 20 hexagons and 30 squares) and 180 edges. Full definition →