μυελός
myelós
“marrow”
4 words in English grow from this root.
Myelin
Medicineμυελόςmyelós
“marrow substance”
Myelitis
Medicineμυελόςmyelós
“marrow inflammation”
Osteomyelitis
Medicineὀστέονostéon
“inflammation of bone marrow”
Poliomyelitis
Medicineπολιόςpoliós
“inflammation of the grey marrow”