LATIN DICTIONARYLexicon Latīnum
nounsecond declension

modus operandī

modus operandī m (genitive modī operandī)
Classical[ˈmɔ.dʊs ɔ.pɛˈran.dɪ]Ecclesiastical[ˈmɔː.dus o.peˈran.di]

Meaning

  1. modus operandi

Origins

From modus (“manner, method”) and operandī (“of working”).

Quick answers

What does modus operandī mean in Latin?
modus operandī, a noun, means “modus operandi”.
What is the genitive of modus operandī?
The genitive singular is modī operandī. modus operandī is second declension.
How do you pronounce modus operandī?
In classical Latin, [ˈmɔ.dʊs ɔ.pɛˈran.dɪ]; in ecclesiastical (church) Latin, [ˈmɔː.dus o.peˈran.di].