Where does “roc” come from?

roc (Middle High German) comes from Old French roche, from Persian رخ, from Middle Persian lhw', from Sanskrit रथ, from Proto-Indo-Iranian Hrátʰas, from Proto-Indo-European Hrót-h₂-os, from Proto-Indo-European Hret- — to roll; wheel; to run, roll.

Ancestry of “roc”, step by step

roc traces back through two separate lines of ancestry.

via Old French roche

StepLanguageWordMeaning
1Old Frenchrocherock
2Persianرخrook; cheek; face
3Middle Persianlhw'rook, castle
4Sanskritरथchariot, car, especially a two-wheeled...
5Proto-Indo-IranianHrátʰaschariot
6Proto-Indo-EuropeanHrót-h₂-os
7Proto-Indo-EuropeanHret-to roll; wheel; to run, roll

via Old High German roc

StepLanguageWordMeaning
1Old High Germanroctunic, smock, jersey
2Proto-GermanichrukkazAlternative form of *rukkaz; robe, jacket, skirt,...
3Proto-Indo-Europeanrug(')-upper clothes, shirt

Words derived from “roc

Every word from Proto-Indo-European Hret-Every word from Proto-Indo-European Hrót-h₂-osEvery word from Proto-Indo-Iranian Hrátʰas