adragant
/ˈadrəɡ(ə)nt/(also adraganth) Now historical and rare
noun
In full gum adragant, adragant gum. A plant gum obtained from various shrubs of the genus Astralagus.
Origin
Late 17th century. From French adragant, variant or alteration of dragant, probably by association with Middle French diadragum, diadragentum, etc., a medicinal preparation containing tragacanth.