Ge-þeahtere

According to the Old English Dictionary:

es;

ge-þeahtere

m. A counsellor; consĭliārĭus :-- Se wæs geþeahtere ðæs apostolícan pápan qui consĭliārĭus ĕrat ăpostŏlĭci pāpæ, Bd. 5, 19; S. 638, 14. DER. þeahtere. ge-þeahtere