Where does “vitriolo” come from?

vitriolo (Esperanto) comes from English vitriol, from Old French vitriol, from Latin vitriolum, from Latin vitrum, from Proto-Italic wedrom, from Proto-Indo-European wedro-, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

vitriolo (Esperanto): vitriol various sulfates

Definitions

  1. vitriol various sulfates

Ancestry of “vitriolo”, step by step

vitriolo traces back through 3 separate lines of ancestry.

via English vitriol

StepLanguageWordMeaning
1EnglishvitriolSulphuric acid and various metal sulphates;...
2Old Frenchvitriol
3Latinvitriolumvitriol
4Latinvitrumglass; a woad; a plant used for dying blue; woad;...
5Proto-Italicwedromglass
6Proto-Indo-Europeanwedro-water-like
7Proto-Indo-Europeanwed-water
8Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via French vitriol

StepLanguageWordMeaning
1Frenchvitriolvitriol (all senses)

via German Vitriol

StepLanguageWordMeaning
1GermanVitriolvitriol; blue vitriol
Every word from Proto-Indo-European wey-Every word from Proto-Indo-European wed-Every word from Proto-Indo-European wedro-