Not quite ...

"Senatus" is a color: Sienna. https://wikiless.org/wiki/Sienna?lang=en It is somewhat earth reddish. Like henna, Qenna -> Jealous [God]. as in Phoenix/Punic. Or a listing: apples pears and prunes.

"Senatus Populus" are both nomens or nouns, two nouns hitched together, like rain and bow: rainbow.

Que indeed means and.

Romanus, this is somewhat of a question, is it a nomen or adjective so, Roman or Roman-like.
So it may be taken as: senate nation and roman

but, by the same token, it may hold something else entirely: Phoenix/Phoenicia, Nation and Roman[-like]? Wouldn't that be a joke of the ages.

It might fit if the first appearance of 80BC is to be believed. The Punic Wars were till 146BC.

Not quite ...

"Senatus" is a color: Sienna. https://wikiless.org/wiki/Sienna?lang=en It is somewhat earth reddish. Like henna, Qenna -> Jealous [God]. as in Phoenix/Punic

"Senatus Populus" are both nomens or nouns, two nouns hitched together, like rain and bow: rainbow.

Que indeed means and.

Romanus, this is somewhat of a question, is it a nomen or adjective so, Roman or Roman-like.

Phoenix/Phoenicia, Nation and Roman[-like]? Wouldn't that be a joke of the ages.

It might fit if the first appearance of 80BC is to be believed. The Punic Wars were till 146BC.

Not quite ...

"Senatus" is a color: Sienna. https://wikiless.org/wiki/Sienna?lang=en It is somewhat earth reddish. Like henna, Qenna -> Jealous [God]. as in Phoenix/Punic

"Senatus Populus" are both nomens or nouns, two nouns hitched together, like rain and bow: rainbow.

Que indeed means and.

Romanus, again a nomen, Roman.

Phoenix Nation and Roman? Wouldn't that be a joke of the ages.