dysarthria [dys.ar.thria] n [NL, fr. dys- + arthr- + -ia] (1878): difficulty in articulating words due to disease of the central nervous system
DYS- [DYS-] PREFIX [ME DIS- BAD, DIFFICULT, FR. MF & L; MF D
Meaning of DYS- [DYS-] PREFIX [ME DIS- BAD, DIFFICULT, FR. MF & L; MF D in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012