fettle
Concise Oxford English Dictionary © 2008 Oxford University Press:
fettle/ˈfetl/
▶noun condition: he's in fine fettle. ▶verb
- 1 trim or clean the rough edges of (a metal casting or a piece of pottery) before firing.
- 2 N. English make or repair.
– origin ME (in the sense ‘prepare’): from dial. fettle ‘strip of material’, from OE fetel, of Gmc origin.
'fettle' also found in these Oxford entries:

