What is another word for most long-ago?
Pronunciation: [mˈə͡ʊst lˈɒŋɐɡˈə͡ʊ] (IPA) 
The phrase "most long-ago" refers to events or things that occurred in the distant past. Some synonyms for this phrase include "ancient," "prehistoric," "primordial," "antique," "archaic," "vintage," "historical," and "time-honored." Each of these synonyms conveys a slightly different nuance, with some emphasizing the age and antiquity of the topic in question and others focusing more on its significance and importance in shaping our understanding of the world and its history. Whether discussing fossils or civilizations, artifacts or legends, these words can add richness and depth to any discussion of the distant past.
