Yester
Pronunciation : Yes"ter
Part of Speech : a.
Etymology : [See Yesterday.]
Definition : Defn: Last; last past; next before; of or pertaining to yesterday. [An enemy] whom yester sun beheld Mustering her charms. Dryden.
Note: This word is now seldom used except in a few compounds; as, yesterday, yesternight, etc.
Source : Webster's Unabridged Dictionary, 1913