digress

verb2

1. •
   To step or turn aside; to deviate; to swerve; especially, to turn aside from the main subject of attention, or course of argument, in writing or speaking.

   • Moreover she beginneth to digress in latitude. — 1601
2. •
   To turn aside from the right path; to transgress; to offend.

   • Thy overflow of good converts to bad; And thy abundant goodness shall excuse This deadly blot in thy digressing son. — 1595