1825, "the use of a coach as a public conveyance;" 1849 as "special instruction or training for an exam or an athletic contest;" verbal noun from coach (v.).
Entries linking to coaching
coach v.
1610s, "to convey in a coach," from coach (n.). Meaning "to tutor, give private instruction to, prepare (someone) for an exam or a contest" is from 1849. Related: Coached; coaching.