unfellow

From un- +‎ fellow.

unfellow (third-person singular simple present unfellows, present participle unfellowing, simple past and past participle unfellowed)

1. (transitive) To dissever, to cause to come apart (literal or figurative use)
   • 1856, Elizabeth Barrett Browning, “Fifth Book”, in Aurora Leigh, London: Chapman and Hall, […], published 1857, →OCLC:

     Death quite unfellows us.

• “unfellow”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.