Meaning

noun a state of fitness and good health

verb remove mold marks or sand from (a casting)

originFrom Late Middle English fetlen (“(verb) to bestow; to fix, prepare, put in place; to prepare (oneself) for battle, gird up; to shape; to be about to, or to ready (oneself) to stay; (adjective) shaped (well or poorly)”) [and other forms], which possibly: * from Old English fetel (“belt, girdle, fettle”), from Proto-Germanic *fatilaz, further etymology unknown; or * from Old English fetian (“to…

Etymology from Wiktionary, CC BY-SA 3.0