in principio*: Meaning and Definition of

in prin•ci•pi•o

Pronunciation: (in prin-ki'pi-ô Eng. in-prin-sip'ē-ō&sec), [key]
— Latin. Latin.
  1. at or in the beginning; at first.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.