'Easternize' originates from the word 'Eastern,' which is derived from the Old English 'ēast,' meaning 'east.' The suffix '-ize' is used to form verbs that mean 'to make' or 'to become.'

'Eastern' evolved from the Old English 'ēast,' and the verb form 'Easternize' was created by adding the suffix '-ize' to denote the action of making something Eastern.

Initially, it meant 'to make something Eastern,' and this meaning has largely remained the same in modern usage.