English
hextetrahedron
From hex- + tetrahedron.
Formed from hex- + tetrahedron
Ancient Greek τετράεδρος ‘having four faces, tetrahedral’
Ancient Greek τετράεδρον ‘triangle-based pyramid’
English tetrahedron
Today it means
noun —
Language periods are conventional ranges, not dates for this word.
Etymograph / hextetrahedron