1836, probably a colloquial alteration of sumptuous (q.v.).levak писал(а):scrumptious
http://www.etymonline.com/index.php?term=scrumptious
sumptuous
late 15c., from O.Fr. sumptueux, from L. sumptuosus "costly, expensive," from sumptus "cost, expense,"
http://www.etymonline.com/index.php?ter ... in_frame=0
etc