IPA: /ˈɛpəˌkæli/
KK: /ˈɛpəˌkæli/
In a way that is significant or important, marking a new era or period in history.
The discovery of the new technology changed the industry epochally.
Epochally → It is formed from "epoch" (from Greek "epokhē", meaning a fixed point in time or a period) and the suffix "-ally" (meaning in a manner relating to). The word "epochally" means in a manner relating to a significant period or era.
Think of an 'epoch' as a significant period in time, and remember that 'epochally' describes something that relates to that important time.