Where does “rapa daikon” come from?

rapa daikon (Italian) comes from Italian rapa, from Latin rāpa, from Latin rāpum, from Proto-Indo-European rap-.

rapa daikon (Italian): daikon radish Raphanus sativus var. longipinnatus

Definitions

  1. daikon radish Raphanus sativus var. longipinnatus

Ancestry of “rapa daikon”, step by step

rapa daikon traces back through two separate lines of ancestry.

via Italian rapa

StepLanguageWordMeaning
1Italianrapaturnip; inflection of rapare: ## third-person...
2Latinrāpa
3Latinrāpumturnip
4Proto-Indo-Europeanrap-

via Italian daikon

StepLanguageWordMeaning
1Italiandaikon
Every word from Proto-Indo-European rap-