- clod (n.)
- "lump of earth or clay," Old English clod- (in clod-hamer "field-goer"), from Proto-Germanic *kludda-, from PIE *gleu- (see clay). Synonymous with clot until 18c. Meaning "person" ("mere lump of earth") is from 1590s; that of "blockhead" is from c.1600. It also was a verb in Middle English, meaning both "to coagulate, form into clods" and "to break up clods after plowing."