Ependyma
Ependyma , noun
[New Latin, from Greek {not transcribed} an upper garment; 'epi` upon + {not transcribed} a garment; {not transcribed} in + {not transcribed} to put on.]
(Anatomy) The epithelial lining of the ventricles of the brain and the canal of the spinal cord; endyma; ependymis.