Etymology [edit]. The word rhombus comes from Greek ῥόμβος (rhombos), meaning something that spins, which derives from the verb ρέμβω (rhembō), meaning to turn round and round.The word was used both by Euclid and Archimedes, who used the term solid rhombus for two right circular cones sharing a common base.tymology [edit]. The word rhombus comes from Greek ῥόμβος (rhombos), meaning something that spins, which derives from the verb ρέμβω (rhembō), meaning to turn round and round.