pace2 /ˈpeɪsi 
, ˈpɑːtʃeɪ / ▸ preposition with due respect to (someone or their opinion), used to express polite disagreement or contradiction: narrative history, pace some theorists, is by no means dead.
– ORIGIN Latin, literally ‘in peace’, ablative of pax, as in pace tua ‘by your leave’.
EnglishOxford Dictionary of English
