sunrootEtymologyFrom sun + root (because it is the root of a variety of sunflower); the winner of a contest on March 23, 1918, by Gardeners' Chronicle to name the edible tuber of Helianthus tuberosus. The winning entry was announced on June 8, 1918.sunroot means synonym of Jerusalem artichoke (tuber). Lexicurio rates it Sui generis — a strength score of 90 out of 100.nounSynonym of Jerusalem artichoke (tuber).“The sunroot contains a number of indigestible carbohydrates that cause flatulence in susceptible individuals.”Synonym of Jerusalem artichoke (plant or species).“Cultivating your own sunroots is easy! — a lot easier, in fact, than getting rid of this perennial sunflower once it's become established.”