Where does “xơ cứng rải rác” come from?

xơ cứng rải rác (Vietnamese) comes from Vietnamese xơ cứng, from Vietnamese xơ, from French sœur, from Middle French soeur, from Old French suer, from Latin soror, from Proto-Italic swezōr, from Proto-Indo-European swésōr — blood.

xơ cứng rải rác (Vietnamese): multiple sclerosis

Definitions

  1. multiple sclerosis

Ancestry of “xơ cứng rải rác”, step by step

xơ cứng rải rác traces back through two separate lines of ancestry.

via Vietnamese xơ cứng

StepLanguageWordMeaning
1Vietnamesexơ cứngrigid; fixed; unchangeable; inflexible
2Vietnamesea sister; fibre; filament
3Frenchsœursister; nun
4Middle Frenchsoeursister
5Old Frenchsuernominative singular of seror; to dry
6Latinsororsister; cousin, daughter of a father's brother;...
7Proto-Italicswezōrsister
8Proto-Indo-Europeanswésōrsister
9Proto-Indo-Europeansu-h₁ésh₂-ōr
10Proto-Indo-Europeanh₁ésh₂r̥blood

via Vietnamese rải rác

StepLanguageWordMeaning
1Vietnameserải rácscattered
Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European su-h₁ésh₂-ōrEvery word from Proto-Indo-European swésōr