Where does “Cârstică” come from?

Cârstică (Romanian) comes from Romanian Cârstea, from Old Church Slavonic крьстъ, from Proto-Slavic krьstъ, from Old High German Krist, from Latin Chrīstus, from Ancient Greek Χριστός, from Ancient Greek χρίω, from Proto-Indo-European gʰrēy- — to rub; to stroke; to grind.

Ancestry of “Cârstică”, step by step

StepLanguageWordMeaning
1RomanianCârstea
2Old Church Slavonicкрьстъcross
3Proto-Slavickrьstъ"West Slavic:" baptism; "East and South Slavic:"...
4Old High GermanKrist
5LatinChrīstus
6Ancient GreekΧριστόςanointed; messiah; annointed, the annointed one,...
7Ancient Greekχρίωto rub or smear (especially the body) with oil or unguents; to anoint
8Proto-Indo-Europeangʰrēy-to smear; to paint, streak, smear
9Proto-Indo-Europeangʰer-to rub; to stroke; to grind
Every word from Proto-Indo-European gʰer-Every word from Proto-Indo-European gʰrēy-Every word from Ancient Greek χρίω