LATIN DICTIONARYLexicon Latīnum
verbfirst/second-declension participle

fīendus

fīendus (feminine fīenda, neuter fīendum)
Classical[fiːˈɛn.dʊs]Ecclesiastical[fiˈɛn.dus]

Meaning

  1. Medieval Latinparticiplewhich is to become or happen

Origins

Future passive participle (gerundive) of fīō.

Quick answers

What does fīendus mean in Latin?
fīendus, a verb, means “which is to become or happen”.
What are the principal parts of fīendus?
fīendus, fīenda, fīendum (first/second-declension participle).
How do you pronounce fīendus?
In classical Latin, [fiːˈɛn.dʊs]; in ecclesiastical (church) Latin, [fiˈɛn.dus].