seepweedEtymologyPhono-semantically matched folk etymology for Arabic سُوَيْدَاء (suwaydāʾ) with seep + weed. Compare Jerusalem artichoke, cockroach, and sparrowgrass. Doublet of soda, via Italian soda.seepweed means any of various plants in the genus Suaeda; sea blite. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounAny of various plants in the genus Suaeda; sea blite.