Where does “eretnekségek” come from?

eretnekségek (Hungarian) comes from Hungarian eretnekség, from Hungarian eretnek, from Italian eretico, from Latin herēticus, from Ancient Greek αἱρετικός, from Ancient Greek αἱρέω, from Proto-Hellenic həřřéyō, from Proto-Indo-European sēr- — to flow; to guard; to bind, to tie together.

Ancestry of “eretnekségek”, step by step

StepLanguageWordMeaning
1Hungarianeretnekségheresy
2Hungarianeretnekheretical; heretic
3Italianereticoheretical; heretic
4Latinherēticus
5Ancient Greekαἱρετικόςable to choose, factious
6Ancient Greekαἱρέωto take, grasp, seize; to win, gain; to convict,...
7Proto-Hellenichəřřéyō
8Proto-Indo-Europeansēr-to flow
9Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together
Every word from Proto-Indo-European ser-Every word from Proto-Indo-European sēr-Every word from Proto-Hellenic həřřéyō