polyradiculoneuropathy

noun

poly·​ra·​dic·​u·​lo·​neu·​rop·​a·​thy ˌpäl-i-rə-ˌdik-yə-(ˌ)lō-n(y)u̇-ˈräp-ə-thē 

plural polyradiculoneuropathies

: an inflammatory disorder (as Guillain-Barré syndrome) affecting peripheral nerves and the nerve roots of the spinal nerves and marked by demyelination or axon degeneration