How do you spell Yesterday?
Correct spelling
yesterday
YESTER + DAY.
Why is yesterday spelled this way?
From Old English giestran (yester) + daeg (day). The YESTER prefix is one of the oldest time-words in English, surviving only in yesterday and a few archaic forms.
Common misspellings of yesterday
yesturdayyestardayyeseterdayyesterdey
Example
I saw her yesterday.