Where does “roche” come from?

roche (Middle English) 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 “roche”, step by step

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

Words derived from “roche

Every word from Proto-Indo-European Hret-