The part used: Gum (a waxy substance)
Gum: Gum: There are so many species of gum trees. As for what is called gum Arabic, it is gum of acacia. Abu Hanifa said: Gum is something that is released by trees and flow out of the tree. And in the proverb it is said: ”I uproot you the way the gum is uprooted", if you leave nothing for him/her, because the gum is uprooted from its tree so that nothing of it is left clinging.