hadder/ˈhædə(ɹ)/EtymologyFrom Middle English hader, hather, heddre, from Old English *hǣddre, a variant of hǣþ (“heath; heather”). More at heath, heather.hadder means heather or heath. Lexicurio rates it Sui generis — a strength score of 87 out of 100.hadder is pronounced /ˈhædə(ɹ)/.nounheather or heath“they lay upon the ground covered with skins, as the Redshanks do on Hadder”