Where does “La Rochèla” come from?

La Rochèla (Occitan) comes from Old Occitan La Rochela, from Old French rochelle, 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 — to roll; wheel; to run, roll.

Ancestry of “La Rochèla”, step by step

StepLanguageWordMeaning
1Old OccitanLa Rochela
2Old Frenchrochelle
3Old Frenchrocherock
4Persianرخrook; cheek; face
5Middle Persianlhw'rook, castle
6Sanskritरथchariot, car, especially a two-wheeled...
7Proto-Indo-IranianHrátʰaschariot
8Proto-Indo-EuropeanHrót-h₂-os
9Proto-Indo-EuropeanHret-to roll; wheel; to run, roll
Every word from Proto-Indo-European Hret-Every word from Proto-Indo-European Hrót-h₂-osEvery word from Proto-Indo-Iranian Hrátʰas