linguistic:paraphrasing, stylistic:tone
Terminology

Encephalitis with meningitis is known as meningoencephalitis, while encephalitis with involvement of the spinal cord is known as encephalomyelitis.

The word is from Ancient Greek ἐγκέφαλος, enképhalos 'brain', composed of ἐν, en, 'in' and κεφαλή, kephalé, 'head', and the medical suffix -itis 'inflammation'.