Clover

Chamber's Etymological of the English Language · 1895 · p. 88

kl5v'cr, n. a species of gra in which the leaf is divided into three lobes. [A.S. clafer perh. from cleojan, to cleave.] Clown, klown, « a rustic or country-fellow one with the rough manners of a country-man a fool or buffoon. [Ety. dub.]