Where does “-isö” come from?

-isö (Finnish) 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.

-isö (Finnish): Forms collective nouns describing groups of people

Definitions

  1. Forms collective nouns describing groups of people

Ancestry of “-isö”, step by step

-isö traces back through 3 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 Proto-Bantu ì-

StepLanguageWordMeaning
1Proto-Bantuì-Class 5 noun prefix

via Yoruba sọ̀

StepLanguageWordMeaning
1Yorubasọ̀to say, to speak

Words derived from “-isö

Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European su-h₁ésh₂-ōrEvery word from Proto-Indo-European swésōr