i Register
In some senses, epochality is marked as rare. Watch for register when choosing this word.
noun
The state or quality of pertaining to an epoch.
The primitial abilitude pervading someone or something from which the rousing of an epoch stems.
A state of being momentous; importance; significance.
It is in part this epochality that leads to Jeyifo's proleptic postcolonialism. However this was in no small part because the epochality of the nation took shape under the aegis of a decolonization process that then succeeded in elevating the struggles and sacrifices of political elites against colonialism to the level of an ontological necessity and thereby projected them as the privileged subjects of representation.
Derrida gives a rather tentative beginning of an answer: The unfolding of difference is perhaps not solely the truth of Being, or of the epochality of Being.