English
hypermnesia
From hyper- + -mnesia, on the model of amnesia.
A compound of hyper- + -mnesia
Proto-Indo-European *úp
Proto-Indo-European *upér ‘over, above’
Proto-Hellenic *hupér
Ancient Greek ὑπέρ ‘over’
English hyper-
Today it means
noun An elevated level of memory recall.
Language periods are conventional ranges, not dates for this word.
Etymograph / hypermnesia