From fish + wort, from its fishy smell. fishwort (uncountable) Houttuynia cordata, a herbaceous perennial plant sometimes used as a herb....
most of whose former species are now in Carlina. (Houttuynia cordata): fishwort, bishop's weed, heartleaf Houttuynia cordata Carlina macrophylla chameleon...
fishweir fish wheel fishwich fishwife fishwoman fishworker fishworks fishworm fishwort fish wrap, fish-wrap fish wrapper fishy fishyback flagfish flatfish fly-fish...