'austrianize' originates from Modern English, specifically from the adjective 'Austrian' + the verb-forming suffix '-ize' (from French/Latin/Greek), where 'Austrian' meant 'of or relating to Austria' and '-ize' meant 'to make or become'.

'Austrianize' was formed in modern English by combining 'Austrian' (ultimately from German 'Österreich' via Latin/usage referring to Austria) with the suffix '-ize', which entered English from Old French '-iser' and ultimately from Greek '-izein'.

Initially it simply meant 'to make or render Austrian'; over time the meaning has remained largely the same, applied to cultural, political, or (rarely) legal/national processes.