principium, principii (n)
beginning / origin From the Vulgate
In principio creavit Deus caelum et terram (In the beginning God created heaven and earth) — Gen 1:1
In Scripture
Dicebant ergo ei : Tu quis es ? Dixit eis Jesus : Principium, qui et loquor vobis.
They said therefore to him: Who art thou? Jesus said to them: The beginning, who also speak unto you.
Ioannes 8 · 25