Welsh nationalism
/ˌwɛlʃ ˈnaʃ(ə)nəlɪz(ə)m/ /ˌwɛlʃ ˈnaʃ(ə)n(ə)lɪz(ə)m/ /ˌwɛlʃ ˈnaʃən(ə)lɪz(ə)m/noun
Advocacy of or support for the interests of Wales, often by seeking greater political autonomy and the promotion of Welsh culture; specifically the political programme or ideals of the Welsh Nationalist Party.
Origin
Late 19th century. From Welsh + nationalism. Compare earlier Welsh nationalist.