At what point did the region between Germany, Austria and Poland stop being called Bohemia and start using the Czech prefix (Czechoslovakia/Czech Republic/Czechia)? What were the historical reasons for the switch?

by mynameis4chanAMA
everythings_alright

A very similar question was asked 5 months ago. /u/mousefire55 seemed to have a good answer. https://www.reddit.com/r/AskHistorians/comments/7e8zp1/at_what_point_did_bohemians_stop_referring_to/