Where does “số đo” come from?

số đo (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.

số đo (Vietnamese): measurement; reading

Definitions

  1. measurement; reading

Ancestry of “số đo”, step by step

số đo 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 đỏ

StepLanguageWordMeaning
1Vietnameseđỏred; burning; flaring up; lucky; fortunate
2Frenchdoseproportion; dose; first-person singular present...
3Latindosisdose
4Ancient Greekδόσιςgiving, a gift; license, permission; portion
5Ancient GreekδίδωμιI give, present, offer; I grant, allow, permit;...
6Proto-Indo-Europeandédeh₃tito be giving
7Proto-Indo-Europeandeh₃-to give
Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European su-h₁ésh₂-ōrEvery word from Proto-Indo-European swésōr