English
Sundayism
From Sunday + -ism.
Formed from Sunday + -ism
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
noun The conservative Christian evangelism of Billy Sunday (1862–1935), American baseball player and influential evangelist.
Language periods are conventional ranges, not dates for this word.
Etymograph / Sundayism