English
Sundayish
From Sunday + -ish.
Formed from Sunday + -ish
Proto-Germanic *dagaz ‘day’
Proto-West Germanic *dag ‘day’
Proto-West Germanic *Sunnōn dag
Old English sunnandæġ
Middle English Sonday
English Sunday
Today it means
adv On or around Sunday.
Language periods are conventional ranges, not dates for this word.
Etymograph / Sundayish