Where does “ροδάκινον” come from?

ροδάκινον (Pontic Greek) comes from Byzantine Greek ῥοδάκινον, from Ancient Greek δωράκινον, from Latin dūracinum, from Latin duracinus, from Latin dūrus, from Proto-Italic dūros, from Proto-Indo-European duh₂-ró-s, from Proto-Indo-European dweh₂- — far; long.

ροδάκινον (Pontic Greek): peach fruit and tree