English
hypereutectoid
From hyper- + eutectoid.
A compound of hyper- + eutectoid
Proto-Indo-European *úp
Proto-Indo-European *upér ‘over, above’
Proto-Hellenic *hupér
Ancient Greek ὑπέρ ‘over’
English hyper-
Today it means
adj containing the minor component in excess of that contained in the eutectoid
Language periods are conventional ranges, not dates for this word.
Etymograph / hypereutectoid