English
Saturdayish
From Saturday + -ish.
Formed from Saturday + -ish
Proto-Germanic *dagaz ‘day’
Proto-West Germanic *dag ‘day’
Proto-West Germanic *Sāturnas dag
Old English sæterdæġ
Middle English Saterday
English Saturday
Today it means
adv On or around Saturday.
Language periods are conventional ranges, not dates for this word.
Etymograph / Saturdayish