Fettle

Fettle: Fettle (noun): condition or state (usually of health) and fettle (verb): to prepare a furnace for smelting ore evidently derive from independent sources. Fettle (verb) shares its etymology with fetch, as in fetch the sand to line the furnace.

Everywhere he went, men stopped work to show him how to plane and carve and mould and fettle and smelt iron and make horseshoes - but not how to fix them, because any horse went mad when he entered the stables.

A Book for Today: Unseen Academicals by Terry Pratchett