Correct spelling for the English word "theurer" is [θjˈuːɹə], [θjˈuːɹə], [θ_j_ˈuː_ɹ_ə] (IPA phonetic alphabet).
The word "theurer" is derived from the Middle English word "thurer", which in turn evolved from the Old English word "prēast", meaning "priest". The Old English word itself traces its roots back to the Late Latin word "presbiter", and the Greek word "presbyteros", both referring to a religious elder or priest. Over time, "thurer" has come to refer specifically to the treasurer or the person in charge of treasury or finances, especially within a religious institution.