The word "theo" is not Latin but Greek - classical Greek Θεός (theos) means deity or god.
I think its Pluto.
Vulcan is the god the Romans (who spoke Latin) identifided with Greek Hephaestus.
God of water: deus aquae Water of god: aqua dei
Mercury is a latin word-it was the name for the roman god of messages, travel, thieves and luck (greek god Hermes). The planet Mercury was named after the god. If you are asking for the metal mercury, it would have come from the god's name, and it is unlikely that the romans had a specific word for that metal.
Sanctus Mater Dei.
No. Its a modern process and in Greek its the same word phonetically translated. The name has Latin origin from the God Vulcan.
Not from Greek. From Latin Vulcan, name of the Roman god of fireand metalworking, identified with the Greek Hephaestus
January comes from the Latin word 'Janus': a Roman god.
None. It is the plural form of the Latin word piscis, a fish.
The Latin word for gods is di, for god is deus.Some of the main Roman gods' names were -JupiterJunoMarsVenusMinervaNeptuneCeresVulcanDianaBacchusMercuryVesta
The word "Enthusiasm" is from the Greek word enthousiasmos, which literally means "possession by a god". The word enthusiastae (i.e., "enthusiasts") was applied in Latin to a fourth-century heretical religious sect.