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
Reo (deity) inscription, part of which reads , usually interpreted as "and ("or" thereafter) a fertile(?) bull for Reue" with the epithet lost. "Reue" therefore also seems to be a dative in the Lusitanian form of the name. "Reue" appears again on the Ribeira da Venda inscription, including an epithet, as - this time the deity is receiving a sacrifice of ten sheep. K T Witczak derives the name from earlier "*diewo", suggesting that the Lusitanian language changed the Proto-Indo European "d" to "r", making Reo a sky deity similar to (and having a name cognate with) the Greek Zeus and Roman