Webster’s Revised Unabridged Dictionary · 1913
Compaternity
Com′pa·ter′ni·ty (kŏm′pȧ·tẽr′nĭ·ty̆), n. [LL. compaternitas, fr. compater godfather; com- + pater father.] The relation of a godfather to a person. [Obs.]
The relation of gossipred or compaternity by the canon law is a spiritual affinity. Sir J. Davies.