LATIN DICTIONARYLexicon Latīnum
adverb

piē

piē (comparative magis piē, superlative maximē piē or summē piē or piissimē or pīssimē or pientissimē or piissumē or pientissumē, adjective pius)
Classical[ˈpi.ɛ]Ecclesiastical[ˈpiː.e]

Meaning

  1. piously; devoutly
  2. dutifully; loyally

pĭē, adv., v. pius
I. fin.

Quick answers

What does piē mean in Latin?
piē, a adverb, means “piously; devoutly; dutifully”.
How do you pronounce piē?
In classical Latin, [ˈpi.ɛ]; in ecclesiastical (church) Latin, [ˈpiː.e].