<human>:  What is the meaning of the band name ‘EPSIDIC’?
<bot>: The name EPSIDIC is a portmanteau of the words ephemeral and epsidal. An ephemeral is a temporary or fleeting thing, and an epsidal is a line or plane that is perpendicular to another line or plane. The name is a reference to the band’s music, which is often described as ephemeral and fleeting.