Meaning

noun an act or expression of criticism and censure

verb censure severely or angrily

originFrom Middle English rebuken, from Anglo-Norman rebuker (“to beat back, repel”), from re- + Old French *buker, buchier, buschier (“to strike, hack down, chop”), from busche (“wood”), from Vulgar Latin *busca (“wood, grove”), from Frankish *busk (“grove”), from Proto-Germanic *buskaz (“bush”); equivalent to re- + bush.

Etymology from Wiktionary, CC BY-SA 3.0