LATIN DICTIONARYLexicon Latīnum
phrase

suum cuique

suum cuique
Classical[ˈsu.ũː ˈkʊj.kʷɛ]Ecclesiastical[ˈsuː.um ˈkuj.kʷe]

Meaning

  1. idiomaticto each according to its own merits; to each his own
    suum cuique tribuereto give each its own
    Suum cuique pulchrum est.To each [individual], his own is beautiful.106 BCE – 43 BCE, Cicero, Tusculanae Disputationes 5.63

Quick answers

What does suum cuique mean in Latin?
suum cuique, a phrase, means “to each according to its own merits; to each his own”.
How do you pronounce suum cuique?
In classical Latin, [ˈsu.ũː ˈkʊj.kʷɛ]; in ecclesiastical (church) Latin, [ˈsuː.um ˈkuj.kʷe].