Late Middle English. From rubrish. Compare Old French rebrichier to register, to mark with rubrics, Middle French rubricher to mark (a text) with red ink.
Definition of rubrish in US English:
rubrish
verbˈruːbrɪʃ
historical
with objectAnd without object. To rubricate.
Origin
Late Middle English. From rubrish. Compare Old French rebrichier to register, to mark with rubrics, Middle French rubricher to mark (a text) with red ink.