Where does “nervo vago” come from?

nervo vago (Portuguese) comes from Portuguese nervo, from Old Portuguese nervo, from Latin nervus, from Proto-Indo-European (s)new-.

nervo vago (Portuguese): vagus nerve

Definitions

  1. vagus nerve

Ancestry of “nervo vago”, step by step

nervo vago traces back through 3 separate lines of ancestry.

via Portuguese nervo

StepLanguageWordMeaning
1Portuguesenervonerve; nerve; stamina
2Old Portuguesenervo—
3LatinnervusA sinew, tendon, nerve, muscle; A cord, string or...
4Proto-Indo-European(s)new-—

via Portuguese vago

StepLanguageWordMeaning
1Portuguesevagovague; vague; indistinct; the vagus nerve
2Latinvaguswandering, rambling, strolling; uncertain, vague
3Proto-Italicwagos—
4Proto-Indo-EuropeanHwogos—

via Latin nervus vagus

StepLanguageWordMeaning
1Latinnervus vagus—
Every word from Proto-Indo-European (s)new- →Every word from Latin nervus →Every word from Old Portuguese nervo →