არსებითი სახელი
Universal
a particular period of time in history or a person’s life:the Victorian epoch the beginning of a period in the history of someone or something: these events marked an epoch in their history Geology a division of time that is a subdivision of a period and is itself subdivided into ages, corresponding to a series in chronostratigraphy:the Pliocene epoch Astronomy an arbitrarily fixed date relative to which planetary or stellar measurements are expressed.