outken

From out- +‎ ken.

outken (third-person singular simple present outkens, present participle outkenning, simple past and past participle outkenned or outkent)

1. (transitive, nonce word) To surpass or exceed in knowledge.
   • 1930, New York State Medical Association, Medical Society of the State of New York, New York State journal of medicine, volume 30:

     Though feeble, they outken the ken
     Of able scientific men;
     So one might say "It doesn't pay
     To be too doggone healthy.