Where does “segno duro” come from?

segno duro (Italian) comes from Russian твёрдый знак — Name of the letter Ъ, ъ, the hard sign.

segno duro (Italian): hard sign

Definitions

  1. hard sign

Ancestry of “segno duro”, step by step

StepLanguageWordMeaning
1Russianтвёрдый знакName of the letter Ъ, ъ, the hard sign
Every word from Russian твёрдый знак