The Correct spelling is: tuesday
Common misspellings of the word tuesday are:
How do you spell tuesday?. It is not sday or teusday or tuesdy or even twosday for that matter!
n. (Abbr. Tues. or Tue. or Tu or T)
The third day of the week.
[Middle English Tuesdai, from Old English TÄ«wesdÃ¦g, Tiu's day : TÄ«wes, genitive of TÄ«w, Tiu; see Tiu + dÃ¦g, day (translation of Latin diÄ“s MÄrtis, Mars' day).]Tuesdays Tues'days adv.