Where does “run sợ” come from?

run sợ (Vietnamese) comes from Vietnamese số, from French sœur, from Middle French soeur, from Old French suer, from Latin soror, from Proto-Italic swezōr, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr — blood.

run sợ (Vietnamese): to be frightened; to tremble with fear

Definitions

  1. to be frightened; to tremble with fear

Ancestry of “run sợ”, step by step

run sợ traces back through two separate lines of ancestry.

via Vietnamese số

StepLanguageWordMeaning
1Vietnamesesốnumber; size; amount; count
2Frenchsœursister; nun
3Middle Frenchsoeursister
4Old Frenchsuernominative singular of seror; to dry
5Latinsororsister; cousin, daughter of a father's brother;...
6Proto-Italicswezōrsister
7Proto-Indo-Europeanswésōrsister
8Proto-Indo-Europeansu-h₁ésh₂-ōr
9Proto-Indo-Europeanh₁ésh₂r̥blood

via Vietnamese rủn

StepLanguageWordMeaning
1Vietnameserủnweak; faint; limp
2Proto-Vietic-ruːn
Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European su-h₁ésh₂-ōrEvery word from Proto-Indo-European swésōr