Where does “Neptunus” come from?

Neptunus (Middle English) comes from Latin Neptūnus, from Proto-Italic neptūnos, from Proto-Indo-European nébʰos, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

Neptunus (Middle English): The Roman god governing the sea; Neptune

Definitions

  1. The Roman god governing the sea; Neptune

Ancestry of “Neptunus”, step by step

StepLanguageWordMeaning
1LatinNeptūnusNeptune god of the sea
2Proto-Italicneptūnos—
3Proto-Indo-Europeannébʰoscloud; mist, moisture
4Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -os →Every word from Proto-Indo-European nébʰos →Every word from Proto-Italic neptūnos →