Where does “yister-” come from?

yister- (Middle English) comes from Old English ġiestran-, from Proto-Germanic gistr-, from Proto-Indo-European dʰǵʰyes-, from Proto-Indo-European dʰeǵʰ- — day.

yister- (Middle English): Alternative form of yester-

Definitions

  1. Alternative form of yester-

Ancestry of “yister-”, step by step

StepLanguageWordMeaning
1Old Englishġiestran-yester; previous day, prior day
2Proto-Germanicgistr-yesterday
3Proto-Indo-Europeandʰǵʰyes-yesterday, the day before
4Proto-Indo-Europeandʰeǵʰ-day
Every word from Proto-Indo-European dʰeǵʰ- →Every word from Proto-Indo-European dʰǵʰyes- →Every word from Proto-Germanic gistr- →
yister- — Etymology, Origin & Word History | Etymology Explorer