Where does “опак” come from?

опак (Russian) comes from French opaque, from Latin opācus — shaded, darkened; in the shade.

опак (Russian): back, backwards, the other way round; opaque

Definitions

  1. back, backwards, the other way round; opaque

Ancestry of “опак”, step by step

опак traces back through two separate lines of ancestry.

via French opaque

StepLanguageWordMeaning
1Frenchopaqueopaque
2Latinopācusshaded, darkened; in the shade

via Old East Slavic опако

StepLanguageWordMeaning
1Old East Slavicопако—
2Proto-Slavicopakъreverse, the other way round; the other way round
Every word from Latin opācus →Every word from French opaque →