In various expressions with the sense ‘a very short distance or space; the least amount’. Frequently in negative constructions, as not one (or a) f…

With reference to travel or transport: along the whole distance; all the way to the destination (also in figurative contexts). Later chiefly spec.…

With reference to travel or transport: along the whole distance; all the way to the destination; = through, adv. 1c. Obsolete.