Where does “Kerstin” come from?

Kerstin (German) comes from Swedish Kerstin, from Swedish Kristina, from Latin Christiana, from Latin Christianus, from Ancient Greek Χριστιανός, from Ancient Greek Χριστός, from Ancient Greek χρίω, from Proto-Indo-European gʰrēy- — to rub; to stroke; to grind.

Ancestry of “Kerstin”, step by step

StepLanguageWordMeaning
1SwedishKerstin
2SwedishKristinavariant of Christina; royal name in Sweden, popular since Middle Ages
3LatinChristiananominative feminine singular of Chrīstiānus;...
4LatinChristianusChristian; a Christian person, a Christian
5Ancient GreekΧριστιανόςChristian
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