What is "undish"

Undish was a Christian gothic metal band from Oborniki, Poland, formed in 1991. Undish is led by female vocalist Ada Szarata as well as a male vocalist named Robert Baum who is also handling the drums. After the release of their first album, ...Acta Est Fabula, on Massacre Records, they toured Europe in August 1997 together with Saviour Machine and Theatre of Tragedy, and performed at Wacken Open Air. Their second album, Letters from the Earth, was released on Morbid Noizz Productions. The band was planning to record a third album entitled A Gift of Flying in 2003 but its release was delayed until 2005 when it was released on CL Productions.