"to walk as with clogs," 1829, probably echoic or a variant of clump (v.). Related: Clomped; clomping.
Entries linking to clomp
clump n.
1580s, "lump; cluster or small, close group" (especially of shrubs or trees), from Middle English clompe "a lump" (c. 1300), from a Low German source (such as Dutch klomp "lump, mass," or Middle Low German klumpe "clog, wooden shoe"). Old English had clympre "lump, mass of metal."