Baathism
noun
Baath·ism ˈbä-thi-zəm 
variants or Ba'athism
: the principles and policies of the Baath political party of Iraq and Syria characterized especially by promotion of pan-Arab socialism
Baathist noun or adjective
or Ba'athist
ˈbä-thist
Word History
Etymology
Baath (Party) (partial translation of Arabic ḥizb al-baʽath, literally, Renaissance Party) + -ism
First Known Use
1963, in the meaning defined above