Where does “Zwillingsbruder” come from?

Zwillingsbruder (German) comes from German Zwilling, from Middle High German zwillinc, from Old High German zwiniling, from Proto-Germanic twinilingaz, from Proto-Germanic -ilingaz, from Proto-Germanic -ilaz, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

Zwillingsbruder (German): twin brother

Definitions

  1. twin brother

Ancestry of “Zwillingsbruder”, step by step

Zwillingsbruder traces back through two separate lines of ancestry.

via German Zwilling

StepLanguageWordMeaning
1GermanZwillingtwin
2Middle High Germanzwillinc
3Old High Germanzwiniling
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 German Brüder

StepLanguageWordMeaning
1GermanBrüderplural of Bruder; brothers, brethren
2Middle High Germanbruoderbrother
3Old High Germanbruoderbrother
4Proto-West Germanicbrōþerbrother
5Proto-Germanicbrōþērbrother
6Proto-Indo-Europeanbʰréh₂tērbrother
Every word from Proto-Indo-European -lós