erythrodanum Save DMLBS erythrodanum [CL < ἐρυθρόδανον] , madder (Rubia tinctorum). eritridanum vel eritrodanum, rubea major idem, quo utimur tinctores, A. mader Alph. 59 (cf. ib. 155: rubea major, G. warence vel wadde, A. mader).