tocrack

From Middle English tocraken (“to cause a cracking sound by breaking something with a lot of force; to fracture”), from Old English cracian (“to make a cracking sound, crack”), from Proto-Germanic *krakōną (“to crack, crackle, shriek”), equivalent to to- +‎ crack.

tocrack (third-person singular simple present tocracks, present participle tocracking, simple past and past participle tocracked)

1. (transitive, obsolete) To crack, fracture, fissure; to break with a cracking sound. [from the early 14th c. to the late 15th c.]

   The mighty warrior all tocracked that heathen's skull with one blow of his mighty club.

• The Middle English Dictionary