Where does “sistergirl” come from?

sistergirl (English) comes from English sister, from Middle English suster, from Old English sweostor, from Proto-West Germanic *swester — sister.

sistergirl (English): Sister, girlfriend; A member of a traditional...

Definitions

  1. Sister, girlfriend; A member of a traditional...

Ancestry of “sistergirl”, step by step

sistergirl traces back through two separate lines of ancestry.

via English sister

StepLanguageWordMeaning
1EnglishsisterA daughter of the same parents as another person;...
2Middle EnglishsusterA sister or step-sister; a female sibling
3Old Englishsweostorsister
4Proto-West Germanic*swestersister

via English Girl

StepLanguageWordMeaning
1EnglishGirlA Chinese constellation located near Aquarius, one of the 28 lunar mansions and part of the Black Turtle
2Middle EnglishgirleAlternative form of gerle
3Old Englishgyreleyoung person
Every word from Proto-West Germanic *swester →Every word from Old English sweostor →Every word from Middle English suster →