1833, in countrified humor writing of "Major Jack Downing" of Maine (Seba Smith); probably a colloquial alteration of sumptuous. Originally "stylish, splendid;" sense of "delicious" is by 1881. Related: Scrumptiously; scrumptiousness.
scrub
scrubby
scruff
scruffy
scrum
scrumptious
scrunch
scruple
scrupulous
scrutable
scrutinise