preshock

As a noun terms

is .

As an adjective preshock is

before a shock (seismic event).

As a noun shock

is sudden, heavy impact or shock can be an arrangement of sheaves for drying, a stook.

As a verb shock

is to cause to be emotionally shocked or shock can be to collect, or make up, into a shock or shocks; to stook.

As an adjective preshock is

before a shock (seismic event).