Where does “tweelingzus” come from?

tweelingzus (Dutch) comes from Dutch tweeling, from Middle Dutch twiling, from Old Dutch twinling, from Proto-Germanic twinilingaz, from Proto-Germanic -ilingaz, from Proto-Germanic -ilaz, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

tweelingzus (Dutch): twin sister

Definitions

  1. twin sister

Ancestry of “tweelingzus”, step by step

tweelingzus traces back through two separate lines of ancestry.

via Dutch tweeling

StepLanguageWordMeaning
1DutchtweelingA pair of twins; said of people and other...
2Middle Dutchtwiling
3Old Dutchtwinling
4Proto-Germanictwinilingaz
5Proto-Germanic-ilingazForms noun-derivatives with sense of 'belonging...
6Proto-Germanic-ilazagent suffix; diminutive suffix
7Proto-Indo-European-lósForms agent nouns from verbal roots

via Dutch zus

StepLanguageWordMeaning
1Dutchzussister; so, in such a way
2Middle Dutchsus
Every word from Proto-Indo-European -lósEvery word from Proto-Germanic -ilazEvery word from Proto-Germanic -ilingaz