Where does “unsanguine” come from?

unsanguine (English) comes from English sanguine, from Middle English sanguine, from Old French sanguin, from Latin sanguineus, from Latin sanguīs, from Proto-Italic *sangwens, from Proto-Indo-European h₁sh₂-én-, from Proto-Indo-European h₁ésh₂r̥ — blood.

unsanguine (English): Not sanguine; timid, pessimistic, etc

Definitions

  1. Not sanguine; timid, pessimistic, etc

Ancestry of “unsanguine”, step by step

unsanguine traces back through two separate lines of ancestry.

via English sanguine

StepLanguageWordMeaning
1EnglishsanguineHaving the colour of blood; blood red; Having a...
2Middle EnglishsanguineHaving a bloody-red hue; coloured in sanguine or...
3Old Frenchsanguin
4Latinsanguineusof blood, bloody; bloodthirsty; blood-coloured
5Latinsanguīsblood
6Proto-Italic*sangwensblood
7Proto-Indo-Europeanh₁sh₂-én-
8Proto-Indo-Europeanh₁ésh₂r̥blood

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European h₁sh₂-én-Every word from Proto-Italic *sangwens