Where does “neuritis” come from?

Neuritis is a Modern English medical term derived from Ancient Greek νευρο- (neuro-, "nerve") and the suffix -itis ("inflammation"), from Ancient Greek νεῦρον (neûron, "nerve, sinew"), ultimately from Proto-Indo-European snḗh₁wr̥ and (s)neh₁-.

neuritis (English): Inflammation of one or more nerves