Where does “lillesøster” come from?

lillesøster (Danish) comes from Danish søster, from Old Danish systær, from Old Norse systir, from Proto-Norse ᛊᚹᛖᛊᛏᚨᚱ, from Proto-Germanic swestēr, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.

lillesøster (Danish): little sister (a sister younger than the person talking or being discussed)

Definitions

  1. little sister (a sister younger than the person talking or being discussed)

Ancestry of “lillesøster”, step by step

lillesøster traces back through two separate lines of ancestry.

via Danish søster

StepLanguageWordMeaning
1Danishsøstersister
2Old Danishsystærsister
3Old Norsesystirsister
4Proto-Norseᛊᚹᛖᛊᛏᚨᚱsister
5Proto-Germanicswestērsister
6Proto-Indo-Europeanswésōrsister
7Proto-Indo-Europeansu-h₁ésh₂-ōr—
8Proto-Indo-Europeanh₁ésh₂r̥blood

via Danish lille

StepLanguageWordMeaning
1Danishlillesmall, little, slight; lower case; Denoting a...
2Old Norselítli—
3Old Norselítilllittle, small, short
4Proto-Germanic*lītilaz—
Every word from Proto-Indo-European h₁ésh₂r̥ →Every word from Proto-Indo-European su-h₁ésh₂-ōr →Every word from Proto-Indo-European swésōr →