English
hyperstoichiometric
From hyper- + stoichiometric.
Formed from hyper- + stoichiometric
Proto-Indo-European *úp
Proto-Indo-European *upér ‘over, above’
Proto-Hellenic *hupér
Ancient Greek ὑπέρ ‘over’
English hyper-
Proto-Indo-European *steygʰ- ‘go, climb’
Proto-Indo-European *stóygʰ-os
Proto-Hellenic *stóikʰos
Ancient Greek στοῖχος ‘the first course of masonry steps,’
Ancient Greek στοιχεῖον ‘element’
English stoichiometric
Today it means
adj Containing more than the stoichiometric amount of an atom or group
Language periods are conventional ranges, not dates for this word.
Etymograph / hyperstoichiometric