Where does “somnambulus” come from?

somnambulus (Medieval Latin) comes from Latin ambulō, from Latin ambi-, from Latin ambō, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent-, from Proto-Indo-European h₂en- — on, onto.

somnambulus (Medieval Latin): sleepwalker

Definitions

  1. sleepwalker

Ancestry of “somnambulus”, step by step

somnambulus traces back through two separate lines of ancestry.

via Latin ambulō

StepLanguageWordMeaning
1Latinambulōto traverse, travel
2Latinambi-around, about
3Latinambōboth
4Proto-Indo-Europeanh₂m̥bʰiaround, on either side of, about; in exchange...
5Proto-Indo-Europeanh₂n̥tbʰi
6Proto-Indo-Europeanh₂éntsforehead; front
7Proto-Indo-Europeanh₂ent-face; forehead; front
8Proto-Indo-Europeanh₂en-on, onto

via Latin somnus

StepLanguageWordMeaning
1Latinsomnussleep; drowsiness, slumber sloth, idleness; death
2Proto-Italicswepnos
3Proto-Indo-Europeanswépnossleep, slumber
4Proto-Indo-Europeanswopnosdream
5Proto-Indo-Europeanswep-to sleep

Words derived from “somnambulus

Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts