Where does “nein” come from?

nein (Middle High German) comes from German ni ein.

Ancestry of “nein”, step by step

nein traces back through two separate lines of ancestry.

via German ni ein

StepLanguageWordMeaning
1Germanni ein

via Old High German nein

StepLanguageWordMeaning
1Old High Germanneinno

Words derived from “nein

Every word from German ni ein