Where does “袈裟” come from?

袈裟 (Literary Chinese) comes from Middle Chinese 沙, from Russian царь, from Old East Slavic цьсарь, from Old East Slavic цѣсарь, from Proto-Slavic cěsařь, from Proto-Germanic kaisaraz, from Latin Caesar, from Latin caesaries — hair.

Ancestry of “袈裟”, step by step

袈裟 traces back through two separate lines of ancestry.

via Middle Chinese

StepLanguageWordMeaning
1Middle Chinese
2Russianцарьtsar, Russian emperor; king
3Old East Slavicцьсарь
4Old East Slavicцѣсарьemperor, king
5Proto-Slaviccěsařьemperor, king
6Proto-Germanickaisarazemperor
7LatinCaesarJulius Caesar; emperor
8Latincaesariesor hair
9Proto-Indo-Europeankéysero-hair

via Sanskrit काषाय

StepLanguageWordMeaning
1Sanskritकाषायbrownish red; brown-red cloth or garment
2Sanskritकषायastringent
3Proto-Indo-Europeankars-to rub, scrape, scratch; to scratch, scrape, rub,...
4Proto-Indo-Europeanḱers-to run
Every word from Proto-Indo-European kéysero-Every word from Latin caesariesEvery word from Latin Caesar