 "Eury-" is derived from the Greek , meaning 'wide', while (pelma) means 'the sole of the foot', thus paralleling Koch's use of (in modern spelling).Thus "Eurypelma" literally means 'wide footsole'; however, arachnologists have conventionally taken "pelma" in such names to refer to the scopula, so producing the meaning 'with a wide scopula'.Other genus names or synonyms that Estrada-Alvarez and Cameron regard as having 'footsole' or 'scopula' meanings include