princeps

Etymology

From *primoceps by syncope, from prīmus (“first”) + capiō (“take, capture”).

Noun

Singular princeps

Plural principes

1. (countable) A princeps can be a leader, first in importance.

   William I Longsword was the princeps of Normandy.

2. (countable) A princeps can mean a prince or sovereign.
3. (countable) princeps can mean a chief or director.