Where does “ér-” come from?

ér- (Hungarian) comes from Hungarian érik, from Hungarian ér, from Proto-Uralic särä — vein, root.

Ancestry of “ér-”, step by step

StepLanguageWordMeaning
1Hungarianérikto ripen, mature, become ripe; third-person...
2Hungarianérblood vessel; vein; brook, streamlet, rill
3Proto-Uralicsärävein, root

Words derived from “ér-

Every word from Proto-Uralic säräEvery word from Hungarian érEvery word from Hungarian érik