Apparently from ereo (through the idea of inquiry); to seek, i.e. (figuratively) to investigatesearch. see GREEK ereo
Textus Receptus Greek Text
ereunateJohn 5:39
ereuna1 Cor 2:10
ereunhsonJohn 7:52
ereunwnteV1 Pe 1:11
ereunwnRom 8:27, Rev 2:23