Ceramics. to remove mold marks from (a cast piece).
3.
Metallurgy.
a.
to remove sand from (a casting).
b.
to repair the hearth of (an open-hearth furnace).
Origin: 1300–50; Middle English fetle to shape, prepare, back formation from fetled,Old English *fetelede girded up, equivalent to fetel belt + -ede-ed2