Classical compass winds ("ζέφυρος") from the west – were added soon enough. The etymology of the names of the four archaic Greek winds is uncertain. Among tentative propositions is that "Boreas" might come from "boros", an old variant of "oros" (Greek for "mountains", which were to the north geographically). An alternative hypothesis is that it may come from "boros" meaning "voracious". Another is that it comes from the phrase "ἀπὸ τῆς βοῆς" ("from the roar"), a reference to its violent and loud noise. "Notos" probably comes from "notios" ("moist", a reference to the warm rains and storms brought from the south). "Eurus" and
Greek mythology comprehensive summary of Cicero's line of thought. In Ancient Roman times, a new Roman mythology was born through syncretization of numerous Greek and other foreign gods. This occurred because the Romans had little mythology of their own, and inheritance of the Greek mythological tradition caused the major Roman gods to adopt characteristics of their Greek equivalents. The gods Zeus and Jupiter are an example of this mythological overlap. In addition to the combination of the two mythological traditions, the association of the Romans with eastern religions led to further syncretizations. For instance, the cult of Sun was introduced in Rome